The correct time to express such thoughts is during a primary. We didn't have one because we had an incumbent; it happens.

There is no wrong time to be against genocide. It is, in fact, your basic duty as a human being claiming to have any empathu whatsoever.

The better place to have this fight is through congress anyways. They're the ones that actually approve the aid.

Despite your pretense of knowing familiarity with how the system works, Buden has been bypassing Congress to send weapons to Israel for their genocide. Good ol' JDAMs produced right here in the US of A, even.

Better yet, go talk to the Israel people and get them to vote for someone that stops using our weapons in such an offensive manor.

Israel is a settler-colonial state whose material interests are deeply tied to the dehumanization and oppression of Palestinians. There is no chance for a grassroots mobilization within Israel against the genocide. They want more blood than Bibi gives them. The most helpful thing for someone in the refion to do is to work directly to against Israel and their own governments' complicity. The US has similar challenges in its material base and society but I am succeeding in my organizing goals here. Every person in the US has a responsibility to work against its war machine.

And Israel is not a separate actor, here. It is fully dependent on the US.

Israel knows that their position is critical to the US interest and their current leaders are happy to exploit that.

Right, they are actually close collaborators. You should work against them.

Literally, abstaining makes you part of the "party of not voting" and nobody does anything for them, because they don't vote.

You should not vote for genociders or tell others to do so. Whether that means abstaining is up to the individual. I don't really care. But you need to shed this idea that you are fighting the good fight by supporting genocide, you are actively harmful to working for the good of humanity. Instead of sheepdogging for Dems, join the people with empathy and organize against imperialism.