Being able to vote democrats in gave you two parties to play against each other.
*Two parties to be played by. The existence of two parties allows the ruling class to launder their neoliberalism and/or fascism through a "legitimate" political process. If there was only one party people would actually take to the streets.
You need to use all your cunning and what little power you have to best negotiate the one you live in.
And maybe there's a way to do that better than carrying water for the "lesser evil" that ends up losing to fascists anyway? The model you're proposing has decisively failed anyway; might as well try something else.