They hate that argument - likely because they’re well-aware on some level.

By continuing to prop up a given candidate not for their actual policies and skills but instead simply because they’re our party / they’re not other party, they’ve enabled mediocrity and incompetence for many cycles now - and we’re seeing the predictable results of that strategy.

This is the brain on partisanship.

Vote blue? Vote for the party that has actively funded the furthest right-wing fringes of the Republican Party? Yeah that seems like a great way to save our Democracy™, I’m such a hecking good person uwu

Counterpoint: By voting for Biden you are casting a vote of approval empowering conservativism in the US because Biden is a conservative