Could be posturing. Keep em nervous, then he comes out all magnanimous after 2024 and he looks good to voters and they owe him a favor or three. notice he doesn't come out and say he'll do this, he just posts the link without comment.

I suspect trump plays things by ear a lot. He plans, but he keeps his options open in case he has to go off script for some reason.

Sort of the Joker strategy; you plan like fifty percent of what you want to do, then just wing the rest to keep your opponents from predicting your moves...