You can work within the system or outside of it. Within the system there are only two actual presidential options, Republican or Democrat.
I despise Biden for what he’s complicit in as well, but on election day there’s not much we can do. We’re not getting every Democrat to vote for a third party, and even if we did it would still have to get past the electoral college. The time to fight within the system is every other day.
Now if you’re talking about sending messages in other, more old school french ways…