In that example, he doesn’t actually care about a wall. How does a wall benefit him? He cares about diverting money to his pocket, maintaining power, and staying out of prison.

The supreme court already gave him personal immunity for most acts he takes while president. He could literally order Thomas arrested for corruption and there’s nothing the court could do to him.

Musk has utility while he potentially helps secure votes on appointments that matter for significant goals, but securing those appointments is also desirable for other Republicans, so musk isn’t key to those plans.