Stopping Trump would have stopped Trump, and that should have been enough reason.

I’m not sure to be honest. I agree that we all should’ve voted for Harris, but Biden didn’t “stop Trump” and I kind of doubt that Harris would have either. A missed opportunity Biden had was instead of running with her in 2020, he should’ve made her AG in 2021. She was a lot less compromised on her positions to the democratic status quo before she became a member of his administration, and likely would’ve been a more effective attack dog in going after Trump after his insurrection attempt.