The rationale for Apple to continue its fight to prevent iPhone jailbreaking

The tragically named Jkontherun has a post on Apple's continued efforts to prevent jailbreaking. Why would Apple spend all this time, money and effort?

Nobody knows...

So, I commented my thoughts, re-posted here, which have nothing to do with apps or security:

I believe there are two primary reasons for this:

1. Cause Steve said so
2. Apple has made it clear that they want to sell as many iPhones around the world as possible — but, they want even more to protect their massive profit margins. Would allowing users to jailbreak phones ultimately harm the carriers that are paying Apple so much for each phone, robbing them of long-term contracts/customers, and diminishing their desire to continue giving Apple $600 per device? This is why I think they do this.

Your thoughts?