Well, that's your point of view.
What I see is that the GPL is one of the most used software licenses in the world, and it represents exacly his idea.
RMS has had great, awesome partial successes. His philosophy is shared by a lot of people, in practice, and his work has been key to us having real, viable, modern, free software platforms today. Without his work particularly and him been so "political", I don't think we could have gone this far.