> seriously ego driven
Oh, he is certainly ego-driven, but not in the same way as Jobs was, for example. RMS does not put his person before everyone else, but he lives rather through his principles and tries to convince everyone why it makes sense to follow them. And he has a very solid rationale he has developed through the years, making him very articulated.
I think you're just perceiving a difference in how it's expressed by each of them, e.g. one reply is that ESR has a very clear goal of increasing the quality of software. Which for me is the big difference between "Free" and "Open" software.