I don't know which professionals rings around were run, but again, who cares, that's just conjecture, the conjuncture was between a need for a free Unix, BSD sat in court, the GPL, LAMP. The result was the cartesian product that remains today.
In the world of worse is better, Plan9 wasn't bad enough !
and, tbh, I've read the kernel source code and it isn't that hard to follow - which is one of the goals - there's even an LXR http://fxr.watson.org/fxr/source/?v=PLAN9
I don't know which professionals rings around were run, but again, who cares, that's just conjecture, the conjuncture was between a need for a free Unix, BSD sat in court, the GPL, LAMP. The result was the cartesian product that remains today.
In the world of worse is better, Plan9 wasn't bad enough !