Maybe GvR is not interested in working only on Python language design, and wants to see other kind of projects. I mean, I am sure he has reached the point that

Maybe GvR is not interested in working only on Python language design, and wants to see other kind of projects. I mean, I am sure he has reached the point that he can pretty much decided what to do, so if he hasn't go to be a "full time language designer" is probably because he don't want to, not he doesn't have the opportunity.