Let's steel man your argument and say you're 100% correct. Throwing away your vote or not voting is still morally better than voting for someone who won't commit to not enabling a genocide.
And that's assuming your predicate is correct, which it's not.
Do you have any idea how hard it is to sit on your ass until the end of the month and then carry all those checks to the bank and sign them all? Think of the poor landlords and their signing hands! 😢