I have a graduate degree in a technical field, I don't need to grow up.
Your second statement doesn't support your first. You haven't found a flaw in the reasoning, you just disagree with the value system.
Most people believe in free speech and I think many of the people who think that Apple's censorship is fine also believe in free speech. However, in practice, the two ideas conflict. I believe it's undeniable that technology has shaped the way we express ourselves. We are posting our thoughts on an internet forum, after all. The issue with app store censorship is not that Apple is a small company controlling a product that is used by a small portion of the market. iphone sales are huge and a significant portion of the people I know use one. It's gotten to the point where this single device has made a significant effect on the way a good portion of people get information and communicate. When you censor a function on that device, you are, in effect, censoring the group of people who use that device.