It never will be. Thats the problem with the system: it inherently results in two poles.
We’d have real meaningful change if all the holier than thou third party voters would become hyper engaged within the party nearest to their alignment. Take it over. Got a taste of it with some progressives but most of them turned out to be performance artists all the same.
You could say similar about our leftist history. How many countries did we instigate revolutions in to overthrow even somewhat democratic governments?
Radicals will rationalize anything including putting Trump back into office.