Interesting. I don't think the author is arguing about the reality of white fragility at all, but offering an explanation of why it is embraced in some corners.

Then, having run this gantlet, our meritocrats graduate into a big-city ecosystem where the price of adult goods like schools and housing has been bid up dramatically, while important cultural industries — especially academia and journalism — supply fewer jobs even in good economic times. And they live half in these crowded, over-competitive worlds and half on the internet, which has extended the competition for status almost infinitely and weakened some of the normal ways that local prestige might compensate for disappointing income.