They've killed about a million Russians so far, and held the invasion a few hundred km from their border. I'd call that something they can do about it.
They have the luck ("luck") of the entire first world funding them to defend against Russia, instead of Gaza where it's 100% the opposite, so they're not in the horrifying situation the Palestinians are in. Which I'm sure frustrates Russia to no end.
Yeah, Reddit is super weird. There are a bunch of rabidly pro-Israel people who have infiltrated its world news communities in exactly the way that some Lemmy people love to imagine that they have done on Lemmy.