But anything can symbolize anything with the right narrative attached. It's just word games to criticize people when you don't like their personal tastes.[0]
Even if weren't for the flawed reasoning, the sentiment is pretty important here. If someone started going around dismissing other commenters as "normies" in these threads, we wouldn't demand careful rebuttals and carefully pull out their good points. We'd just flag them and move on. But that's the whole climax and title of this article! Why is it suddenly cool here? Because she's leveling insults at people we might not like?
Is "don't insult people, unless you happen to not like them," really the threshold?
[0] She does the same thing on McMansion Hell, which while sometimes amusing, has basically morphed into this whole attempt to cast people as deeply immoral because they wanted a skylight where she wouldn't have put it. And people love her for it, and that's great, but people love cynically piling on and judging other groups of people for the most trivial reasons. Doesn't make it nice.