It could also be that Steve Jobs had incomplete information. Holt told him he designed such and such (maybe he should have just said implemented), without givin

It could also be that Steve Jobs had incomplete information. Holt told him he designed such and such (maybe he should have just said implemented), without giving him references for who did it before. Jobs did not bother to find out and the false idea that Holt invented it stuck to his mind. Maybe just an honest mistake, but then due to lack of rigor.