Lucky and stupid are not the same thing. Apple has survived in spite of constant stupid decisions. We aren't talking about slightly stupid decisions, we are talking completely stupid.
We are talking about being the market leader in computers and loosing it.
We are talking about being able to become tge market leaders again and squandering it.
We are tslking about being the market leader in music devices and squandering it.
We are talking about the ability to be the world leader in cellphones and squandering it.
We are talking about being the world leader in music and squandering it.
.This isn't stumbling, this is showing a level of incompetence that most companies couldn't afford to do once. Just look at Nokia. Apple has done this at least 8 times.