Earlier quoted context omitted.
The REAL strawman is: "What's equally baffling is Ivy-league frat boys thinking that "free speech" entitles them to engage in conduct that would get them summarily booted out in the real world."
It is, at least allegedly, real conduct that was, among other things, the reason those Yale students were angry: https://www.washingtonpost.com/news/grade-point/wp/2015/11/0... . Something real is by definition not a straw man.
Social discrimination happens all the time. As a nerd, I've been (back in a time when nerds were shunned) uninvited or turned away from parties plenty of times. Nobody protested on my behalf.
This entire brouhaha over people feeling not-as-popular-as-the-cool-sae-kids is ridiculous. Nobody has a right to social inclusion. The racial angle is a red herring. What happened to these women happens, often worse, to every socially-unpopular person on the planet.