"Apple's market share is bigger than BMW's or Mercedes's or Porsche's in the automotive market. What's wrong with being BMW or Mercedes?"

Steve Jobs is making a point about the success of Apple in contrast to the success of BMW, Mercedes, and Porsche in the vehicle market. He is suggesting that there is nothing wrong with being BMW, Mercedes, or Porsche, but that Apple has actually attained a level of success that surpasses these automotive giants. He is highlighting the success of Apple and how it has ended up being a leader in the market. He is also suggesting that Apple's success must be celebrated and that it ought to not be viewed as a negative thing that Apple has surpassed these vehicle giants. He is highlighting that success ought to be celebrated, regardless of who it is achieved by. He is also recommending that Apple's success should be seen as an inspiration for other business to strive for comparable success.