He had to defend TikTok to win over youth votes for the election.
Now that he's pres again, he knows that in one year it will become very apparent that he can't lower grocery/gas prices, and isn't willing to take action on home prices, the deficit, AI, or wage inequality.
So instead he has a list of things that will prop up his approval rating, because that is the only metric that actually matters to him. Right now that seems to mean keeping TikTok, and annexing new territory (even if that just means renaming the Gulf of Mexico).