This is the problem with this post; Paul isn’t getting into specifics, so it’s easy for anyone to read this and say “ah yes, it is them who have the problem and not me”.
I gather he wants to tell all of these people casting platitudes down on everyone to fuck off, but he could also be talking about the people that want to tell those people to fuck off.
This was my impression as well. The main point made sense but was so general I didn't really get much out of it. Maybe it's because I don't follow Twitter or movements like "cancel culture" much, but I couldn't readily think of any specific real world situations that this article gave me any new insight on.
I gather he wants to tell all of these people casting platitudes down on everyone to fuck off, but he could also be talking about the people that want to tell those people to fuck off.