The way I see it is, if one side wins, the Left will not only have to worry about the Palestinians, but suddenly they’ll have to choose between protesting about all those other things AND it’ll be with a hostile government that will curtail civil rights and probably start committing abuses against US citizens.

If the other side wins, all those other issues become less of a danger and the Left can focus on keeping up the pressure on Democratic leadership to stop supporting Israel. It’s still not guaranteed, but it’s a much better chance than in the alternative world where out and out fascism takes over. Focus on what’s important, don’t needlessly add more problems on to the pile.