Then Torvalds came, and Stallman got upset

Linus used to refuse SCM tools, for three reasons:
CVS is crap
CVS is real crap
SVN ("cvs made the right way") can't be but sweeter crap
Larry McVoy, a previous kernel/scm hacker in Sun, offers help
He would write BitKeeper according to Linus' needs
He would allow free software to use BitKeeper
He would sell Bk with proprietary license terms
One year or so later Bk is ready, and the kernel starts using it
Centralized repository on bkbits.net
Restrictive license, repeatedly modified over time
RMS and many of his area shout out in disgust
Some core hackers refuse to use Bk
Linus is overall satisfied
But, as renown, power (of license) makes men greedy
An "arch" developer was immediately revoked his Bk license
Over time the license turned more and more restrictive, until...