Adam Driver could likely secure a lot of that money if he was willing to do those favors.
However, the actor clearly feels that there would be a loss of integrity if we were to make those sorts of deals, so he keeps the two things separate.
Lots of people who have large sums of money to donate might be more willing to do so if they got to hang out with one of the stars of a Star Wars movie.
He says he feels the same way about acting, implying that if the job isn’t focused on the right goal, he’d rather not be paid to do it.