That is not business.
Apple did not exactly disappear when Jobs died.
Same with Micro$oft after Gates left, it kept going up in the business world.
Anyone can be replaced in business.
Anyone.
What is interesting is that resignation letter, clearly it indicates the Chinese fab is ahead of any American fab.
True, Apple didn't die with Steve Jobs and in fact got a lot richer over the years. However, what revolutionary product comparable to the IPhone or IPad have they released since Jobs' death?