Got any links?
I wasn't paying attention to the lead-up to 4e because I was taking a long break from D&D at the time.
The problem with the OGL was that most of the best stuff to come out of it was standalone and largely proprietary. You don't need a 3e PHB in order to play Mutants and...
Where was this? Nothing in gaming baffles me more than the assertion I see going around that WotC rejected them. All I remember of it was a video with a dragon and a troll, and "Mearls changes rust monster stats, gamers crap pants, scream."