The most salient split in American society at present is not that between the left and the right, as conventionally understood (though it is not unrelated to that polarity). It is the difference between people who believe that when we speak we should be sensitive to various forms of social inequity and people who are unwilling to observe any such principle.
Now, this is really a more substantial split than it would seem if one just casts it as about speech taboos. The left’s insistence that language should be sensitive to social inequities is grounded in a belief that society systematically advantages some groups and systematically disadvantages other groups.
Although it manifests in concerns over language, there's a much more politically consequential battle being waged underneath the language concerns. The stakes of the battle are enormous. Each side (in its way) recognizes that and it is what has made language such a charged issue.
The driver is the left's understanding that advantage is structurally produced and maintained. Racism, for example, isn't just one individual hating another person because of their race. Rather, various interlocking and mutually-supportive and -sustaining structures that (all other things being equal) tend to advantage white people and disadvantage people of other races—such structures pervade our society.
The concept of structural racism has at least these two consequences for people who accept it. First, more things are “racist” than used to be the case. In the past, one would use the word “racist” primarily to describe violence or hatred directed toward somebody of another race. Now, anything that, unchecked, would have the effect of reinforcing and perpetuating the inequitable societal systems by which whites tend to be advantaged is “racist.” Second, one of the things that is known to perpetuate the structural advantaging of whites is leaving instances of structural racism unchallenged. If someone on the left hears a comment that emerges from structural racism and would perpetuate that structure, that person feels complicit unless he or she speaks out and therefore duty-bound to challenge the comment, and righteous in doing so.
Those two things together mean that people who have acknowledged the existence of structural racism frequently label various comments and actions as “racist.”
Void and Narz and Ordnael are testifying to how this is experienced. For the population that has not accepted the concept of structural racism (either because it has not been explained to them or because they resist* it), this means two things. First, they are being called racist for behaviors, or attitudes or comments of theirs that do not fit the old definition of racism. And second, they experience that calling out as though they are being charged with the old definition of racism: violence or hatred of minorities. And remember, that old definition was something an individual was guilty of, so they feel they are being condemned as an individual and for something as severe as inflicting violence on another human being. And if they know themselves to be innocent of that form of racism, as most of them probably are, then the charges feel baseless as well as severe.
*Now, let me hasten to note that resistance to the idea of structural racism is not just a neutral matter of not having been persuaded by a particular idea in the marketplace of ideas. Most white people who refuse to acknowledge that numerous aspects of our society have the effect of advantaging whites do so precisely because they are advantaged by that system (and they feel that advantage slipping away) (not least by virtue of the system’s being spotlighted) (but also, they don't feel advantaged at all, in the ways that most matter (because all other things aren't equal), so they are hesitant to acknowledge that in this one way they are). This is the real political battle that lies underneath the language concerns: a struggle over how long whites can retain the advantage they’ve traditionally enjoyed. Few people willingly surrender any scrap of relative power they enjoy, and simply to acknowledge the existence of structural racism is a step toward its dismantling. So this fight will be a fight--no way around it.
But it does explain the appeal of Trump. One, he communicates "I won't judge you." And two, he presents himself as the Great Defier of Those People Who Want To Tell You What You Can And Cannot Say.
Still probably a third of what I should write, but I do have other responsibilities