He didnt compare loopt with apple, he compared Sam with Steve Jobs, how old is sam? plenty of time for bigger things than loopt(which is still a pretty impressive achievement)
Don't get me wrong, that's very impressive, but that's hardly a unique case. First person that comes to mind, again, is Mark Zuckerberg, who left Harvard. (Not to mention Bill Gates, who did the same a generation earlier.)
It's the equivalent of listing the "5 albums that influenced you the most". There are many answers, no one is saying that Sam has done something that has never been done before.