I think Elon did it not because he wanted to make more money, but because he sincerely supports T's agenda and sincerely despised what the other side had to offer. The fact that he did make money by choosing to support T they way he did is a "side effect" of his decision, I think. However, there is another side of this success: Elon took a huge risk, - I would say, a huge existential risk, not only financial, - and it drove his motivation to the peak of his abilities, - and we all know he is an exceptionally capable person...