1) Unlike the linux kernel, cssmoo's project has lots of large binary files. If he used git the repo sizes would blow out of control and designers would lose th

1) Unlike the linux kernel, cssmoo's project has lots of large binary files. If he used git the repo sizes would blow out of control and designers would lose the ability to lock the files they are working on (locking is important because you can't merge binary files after the fact) 2) His organization is very different than what the Linux kernel does. Linux operates in a hierarchical manner where each subsystem has a maintainer that collects patches and sends them up to Linus. This system makes full use of Git's DVCS capabilities but its not perfect for everyone.