Yes, less inertia. If the Linux folks decides to change a central datastructure, they do it, don't care if anything break with some proprietary module. With the

Yes, less inertia. If the Linux folks decides to change a central datastructure, they do it, don't care if anything break with some proprietary module. With the BSD... well, they can't even agree on a modern DCVS, changing any central kernel datastucture is pretty much a lot fight (I tried...). Same logic with risk-averse companies.