The purpose of this meme is to make fun of how ridiculously insane that "potentially sensitive" warning is applied on Twitter, while at the same time you can get absolute crap shoved in your face with no warning.
If you watch this, keep in mind, I think this guy would qualify as "Alt-right," and wouldn't mind being addressed as such, but on this issue, I don't think it's necessarily a matter of Left vs Right, but these monstrous elites vs people who have some sense of humanity.