It's fairly trivial to define. You know all those things that you don't like? The bad things, that all the stupid people do without thinking, unlike you? That's post-modernist neo-marxist ideology.
Then again, there aren't any (successful) leftist comedians left anymore.
https://en.wikipedia.org/wiki/Postmodernism https://en.wikipedia.org/wiki/Neo-Marxism#:~:text=Neo%2DMarx...).
Nope.
> who will resort to any rhetorical nonsense
Rhetoric t is literally the act of arguing. If it isn't fallacious it isn't nonsense, and I don't use fallacious reasoning.
> in order to gain social media points
Are you jealous that you don't have any?
> likely narcissistic traits
Maybe projecting a little?