Because he questioned taxes and the weekend crowd thinks that's heretical and won't even entertain the discussion of why things are that way let alone whether they're good or bad.
I had just the sort of discussion you're talking about on that big thread about PG's "how to make a billion dollars article," where for some reason people couldn't even fathom that there was even a way to tell whether certain taxes are good or bad, and couldn't understand the logic of doing so.
Good ones by csallen which makes sense as he runs Indie Hackers and literally sees people daily getting rich or at least making enough money to support themselves, all from online businesses.