Probably because the mechanism of American elections makes it a binary choice, and the options are between "more than 30k dead" and "WAY more than 30k dead". Half-assed, milquetoast hesitation toward genocide is preferable to enthusiastic support for genocide (not to mention enthusiastic support for other genocides), which is the alternative on the ballot. Do you defend the alternative?

I don't know, you tell me. Empathize with their side and tell me what do you think they think. Not propaganda, not talking points, what do you think the other side thinks. Honestly. They obviously have a reason they think that way, what do you think their reasons are?