does it scale to have 1 person approve of all phobos additions?

[Meta]

Does it make sense? In my opinion, no, but according to Andrei be 
has tried being less hands-on before and it resulted in 
measurably worse quality code in Phobos; thus, he re-established 
himself as the gatekeeper. I agree that it doesn't scale and 
think that at this point, it's probably actively hurting Phobos 
because a lot of good work sits for so long and eventually 
becomes abandoned.

On the other hand, it could become much worse for Phobos if he 
was entirely hands off and delegated its shepherding to a larger 
group of core contributors. A balance has to be struck 
somewhere... Maybe a hypothetical group like this needs to be 
trained by Andrei such that he can trust them to properly guide 
Phobos' development, and will only come to him with the really 
big, important stuff.

By the same measure, I feel that Walter is becoming a bottleneck 
on dmd development and maybe a similar solution is necessary.