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Comment by tlrobinson

8 years ago

Without knowing the details, I'm curious if Jobs made the decision based on a deep understanding of the issue, or if he just trusted John more than the Apple engineer.

It sounds like he made the call immediately after the Apple engineer admitted Carmack’s solution was “ideal”. That may have been the culmination of Carmack making the more convincing points (not recounted in TFA) but the fact that Jobs pounces on this admission and ends the back and forth immediately seems like that is a big part of what he was looking for or how he made up his mind.