Yeah this irony is not lost on me.  But in both cases, the companies acted in self interest.  Neither had the guts to walk away from their existing revenue stream.  It&#x27;s hard to say what would have happened.<p>It&#x27;s been an interesting ride and if nothing else, BK was the inspiration for Git and Hg, that&#x27;s a contribution to the field.  And maybe, just maybe, people will look at the SCCS weave and realize that Tichy pulled the wool over our eyes.  SCCS is profoundly better.