What makes you say that? What would need changing to efficiently accomodate more developpers?
I'm asking because I don't see a problem with the current organisation but I may be missing something. If there are issues it's best to get them out in the open so we can work on fixing them.
Perhaps he is refering to Alexandre... You know, like Linus, he doesn't scale. I don't see that as a problem for quite some time though.
--tim