Not what we're talking about, but you should be writing to your reps about this. Most people just feel bad and move on. Actually writing a letter will get attention
Me either, but my government is an ally to the US and also contributes their own aid to Israel, so it applies to me. Assuming you're in a democracy, it's very likely you have some stake (even small) in the genocide.
Even boycotting goods produced on occupied land is a small step anyone can take.