That's called outcome based thinking and is a big no-no for people who make difficult decisions under incredible uncertainty. The decision to fire Steve Jobs at the time was a good decision - and his later success is as indicative of bad decisions as a teacher giving a detention to someone who goes on to succeed later in life. The student may or may not become a genius but at the time of the detention he was still acting like an incredibly distracting tool.
Don't think it's quite forgotten. Showed up on my netflix a few weeks ago. It's a great biopic of the nacent computer industry in the 70s-80s. It gives a lot of credit to the pioneering venture capitalists of that time.
I was bored one night and found this on Netflix. It's actually a pretty good telling of the beginnings of VC. And it's pretty entertaining even if you're not into this sort of subject matter.
“(Steve) Jobs is a national treasure. He’s so visionary, so bright. I had to fire him, though.” -Arthur Rock