If they control TikTok, Facebook, Reddit, Twitter, and every TV channel can have their license revoked for saying anything that can be misconstrued as against Trump... I fear it won't matter much who runs. Their will be ads everywhere lying about them and guiding the public into not showing up to the polls to elect someone he doesn't like, and if all else fails he'll just have the electors faked and pardon the people he asks to fake them before leaving office this time.
Then the next president he chose just threatens the states who try to place state charges against those people