What killed Sun was they made a big bet in something that was an evolutionary cul-de-sac. In business sectors that rely heavily on innovation, if you make and test bets carefully, you survive. If you don't, you don't. Cushy perks* don't matter.

And the jury certainly is out on Oracle. Right now Oracle is a company where great software goes to die. All signs point to them eventually ending up like Yahoo. It'll take a while, but the handwriting is already on the wall.

(*within reason)