His legal team drags it out, making everything as expensive as possible, in the expectation that the other party will either run out of cash for legal expense or decide a settlement is cheaper/easier than winning. Sadly, it often works, there are dozens of stories of him winning unfounded cases because the other party ran out of resources.
I don’t know what the end game is. The idea of them shoving a bunch of faithless electors at the ‘problem’ seems absolutely insane beyond anything we’ve yet seen from this administration. It could be that they’re trying to maintain the “us vs them” as much as possible among the electorate so that they can try to capitalize on conservatives’.