Class war is war
No, it's not. Not in the sense the anti-war movement is talking about. Class war is not a war waged by nation-states, but describes the struggle of the global working class against capitalists and their system of capitalism.
And PFLP isn't waging such a nation-state war; it is fighting colonialism and colonialist genocide. I would tell them to keep on fightin'.
The bit about whether those in Russia should oppose its war-making in Ukraine is what I mentioned at the end of my comment, where leftists may differ (but rarely even comes up). I intentionally didn't launch into the sectarianism like you did; I just acknowledged and described it. Again, either way we should be able to agree on whether Hasan—a pundit, resident, and political actor in the U.S.—should push for the Empire (U.S./NATO/Ukraine) to back down. He should.
For the second time you are going sectarian. I will state my position and you can fuck off with that shit: I am an anarchist; I don't consider anything any nation-state does to be legitimate. Period. I have already stated quite clearly that I understand leftists may differ in this.
Now, back to the point: the anti-war position, where Hasan Piker is concerned, is being completely misrepresented. It is not anti-war for a USian to say Russia needs to back off. That is the opposite of an anti-war stance.