What if people stopped being afraid and voted for who they really supported instead of who they thought was more likely to win? someone like Cornel West or Jill Stein might actually win!
It's two things. One is tactical voting, voting for a person who has an actual chance of winning. Neither Cornel West nor Jill Stein has a broad appeal outside far-left circles. Which brings me to my second point, people are, broadly speaking, voting for positions they support. It's a big tent party and Biden has spent his career moving around to stay in the middle of the Democratic Party.
What is worse than a president who actively supports a genocide?
A president that makes no attempt at restraining Israel. Biden might not be doing as much as many people would like, but he's doing something. The US is pressuring Israel to let more aid in, even if Israel isn't doing enough to comply. Israel has mostly held back from Rafah so far, which seems to be Biden's doing. And the direct Iran-Israel exchange has been kept to a minimum instead of an all-out war, also with US involvement. What could have escalated ended with Israel bombing a runway and Iran saying "whatever, not interested."
I simply cannot imagine Trump doing this. He has a history of being extremely deferential to Israel and Netanyahu. Think moving the US embassy to Jerusalem, scuttling the JCPOA, and in the Project 2025 document considers cutting US aid (this predated the current war). He stuck his son-in-law Jared Kushner on a mission to solve the conflict and the solution was swapping some of the West Bank's best remaining land for some desert. He loves bringing the fight to a situation. He reversed drone attack rules Obama put in place that were working to avoid civilian casualties. That is who is worse.
The Hapsburgs, a Spanish noble house that held the Spanish throne, made a practice of the inverse of this with uncle-niece marriages to keep power in the house. This was the closest marriage the church would allow. The generations of inbreeding produced the distinct "Hapsburg jaw". Eventually that led to the poor, ugly, absurdly inbred Charles II of Spain. And remember, those portraits are official portraits that paint him in the best possible light. He died without an heir, ending the Hapsburg monarchy.