True enough; but everything hinges on that 'if only'. People do not, and will not 'fight back' against political correctness because they are not motivated to do so. It is motivation which is the underlying problem. Political correctness SJWs could never have risen and survived and thriven if there was motivated resistance.
The term SJW is itself an attempt to make the problem of pervasive Leftism more manageable by implying that there is a sensible majority being bullied into political correctness by a fanatical minority of SJWs. The reality is that the majority are also more-or-less subscribers to Leftism, and are very tolerant of SJWs because they believe them to be well-motivated, to have 'their hearts in the right place'.
It is like any form of terrorism. The Irish Republican Army (IRA) was powerful for many decades because a large sector of the population in Ireland, (especially Eire, but also Ulster - and among the Irish diaspora especially in the USA) believed their aims were broadly good; therefore they have received considerable funding and even more psychological support - and it did not matter what horrific atrocities they committed.
People would sincerely deplore mass civilian mutilation and murders, but nonetheless their gut support was enough to keep things going.
This is the current situation with SJWs. The bulk of the Western population, at least those with any power, believe that politically correct SJWs are basically well-motivated - they approve the aims. That is why SJWs find it so easy to do their work.
'Normal' Western people are much more afraid of 'Christian fundamentalists' (i.e real Christians) than of SJWs - because they fear (correctly) that Christians would want to destroy the culture of mass media addiction, sexual license, drink and drugs, holidays and consumerism... and in general 'fun'; and for a secular society which sees no overall meaning or purpose to life and sees nothing beyond death - this is intolerable.
So, I regard the Culture War and merely the surface of an Unseen War between the forces of Good and Evil - and in that Unseen Warfare, the forces of evil are dominant in the West, because (for perhaps the first time in history) the mass of people do not even want Good to triumph; because on-the-whole and overall, they regard Good as evil - evil as Good.
Modern Western people find the topic of their own corruption quite simply incomprehensible, ludicrous, insulting; and deny vehemently, indignantly that there is anything basically wrong with their lifestyles and aims, their philosophy of life. They simply want to regard themselves as basically decent people (and certainly not as bad as some people) who are getting by - they want themselves to be happy and their friends and family to be happy - and 'happy' simply means comfortable, prosperous, high status, not suffering or in pain - and that's it. There is nothing more or different they might or should want because... there is nothing more.
This is the basis of the Modern Mass Man's sneaking admiration for SJWs, and why SJWs are elected political leaders of almost all Western nations; because these people seem like idealists who seem to have a vision of something more - no matter how unrealistic or incoherent, and no matter the casualties.
In sum, my feeling is that most people who advocate fighting-back and retaking culture from SJWs, and despite their great work of description and their energizing encouragement, have no idea of the scale and depth of the iceberg of Leftism which SJWs are the merest tip; the fight-backers have no idea that they are up against the mass majority, including almost everyone with any power in Western society. The mass majority of Westerners will not fight back against SJWs because (at some deep level) they want the SJWs to win.
This insensibility to the scale of the problem is not least because the majority of well known anti-SJW warriors are themselves Secularists and Semi-Leftists (eg they are conservatives, republicans, libertarians and the like) - and from the point of view of religious traditionalism, they are part of the same problem of pervasive Leftism which they are trying to fight.
The bottom line is whether society ought to be run on secular lines or on religious lines (and if religious, then which religion). In The West, we live in a deeply secularized society. While there are much better and much worse forms of secular society. all secular societies have drifted Left, Left and Left - with only rare and very partial backlashes (such as Thatcher in the UK and Reagan in the US) which are barely detectable among the long term trends.
Secularism = Leftism, more-and-more Leftism - and since Western populations are secular, they are Leftist, and they basically approve of political correctness and the SJW shock troops.
Leftism can only be rolled-back and defeated by a religion, and until the West experiences a religious revival there will not even be the desire to battle the Left - never mind the motivation to win the Culture War. And The West is so very far from this situation of widespread religious revival that pessimism is the only reasonable form of understanding.
The rhetoric of 'fighting' SJWs and political correctness is therefore futile, misplaced and ineffectual - what is needed is resistance.
But, for resistance to be net-Good, it must be resistance for an ideal, and that ideal must be a Good one: it must be religious.
Resistance without expectation of victory.
Without expectation, but with hope - because for Christians there is always hope; because hope is located beyond this world, and even in this world there are unseen forces of great power which can change things for the better.
From an understanding of the human powers, there seems little prospect of winning the Culture Wars in The West; but an understanding that there is an Unseen War behind the Culture War means that the human powers are not the only, nor the most powerful, powers at work.
Religion may have all-but lost the culture war, but will not be defeated unless it succumbs to despair.
As Gandalf would, no doubt, say: Do not despair, things are never hopeless; help may come unlooked-for, from unexpected places.