As someone who worked on Intel's phone chip: we definitely didn't win it. We fucked it up twelve ways to Sunday. Why: giant egos. There were turf wars between Austin, Santa Clara and Israel over who would design it, and the team that won out had long since lost its best principle engineers and had no clue how to spin the architecture to meet the design win. Otellini's hindsight hedge is pure spin: we knew the landing…
I'm not sure the engineers themselves having a big ego is a negative. I'd want a team who thinks they can do anything. But how you manage those guys is the problem...