What you're quoting is satire of serious commentary. Few people unironically take it to such an extreme. But the undertone it's mocking is absolutely real and persistent.
Not everyone on 4chan is a flaming bigot but yet the community as a while gets (rightfully) judged for allowing it in their midst. Why are lesser forms of poor behavior not also reflective of the community?
Ah the ol' satire defense. Even a watered-down version of that isn't reflective of a large majority of the people here, so your statement still doesn't stand. Everywhere else, HN has a reputation for being hyper-critical and dismissive of almost everything. So much so, that this article which is essentially "don't burn plastic" has many, many comments discussing caveats, the single study, and vagueness...
