[Tobu]

He's not the only one working on this. But he doesn't have the skills to defend his ideas (it might be just communication skills, it might not). As it is he won't be able to make the big revolutionary step the patch was promising.

If he had been making his own VCS he wouldn't need this kind of review, but Git is an agreed-upon format and protocol; it is absolutely necessary to start by considering the downsides when core changes will affect a large user base.