Reading this, it feels as though you were taught a bunch of complex, trendy buzzwords but not the cognitive apparatus necessary to wield those words in a way that isn’t silly. Your evidence of anything going on to make black people feel “marginalized” in these universities is purely anecdotal. What isn’t anecdotal is that blacks can get into Ivy League universities with average SAT scores about 300 points lower than whites and an incredible 450 points lower than Asians. These universities then deploy scarce resources to engage in all kinds of outreach efforts to make blacks feel comfortable, diversity-train anyone and everyone expected to come within a five mile radius of a black student, create cultural centers based on race, etc. Despite such efforts, too many of those admitted through affirmative action predictably struggle with material for which they are unprepared, and of course, they blame the university or the curriculum rather than themselves. And the universities respond by dumbing down and bowdlerizing the curriculum, eliminating difficult authors from the traditional canon and substituting simpler texts, thereby impoverishing the experience of everyone else. But that still isn’t enough to bridge the academic gap, and so these students start to attack the university, protesting everything in sight, which, again, makes universities inhospitable for others and leads to conservatives seeing higher education as an object of ridicule, resulting in calls to strip away funding and a broad de-legitimation of these universities.
In other words, you’ve got it backwards: the universities don’t need to do better; YOU need to do better! Stop trying to carp and bully your way forward. Start showing a bit of gratitude. Start earning respect rather than demanding it. Stop trying to bite off the hand that feeds you.