The point you have to show is why trusting them has been demonstrated as a bad idea, but instead you take that as given. The rest of your argument is very ambi

The point you have to show is why trusting them has been demonstrated as a bad idea, but instead you take that as given. The rest of your argument is very ambiguous. Shares nothing about their stack? The entire controversy began with an extremely transparent announcement about future, planned behavior. Jailbreaking gives you visibility into the application processor, and the secure element must be trusted on any modern smartphone. If you compare to devices without one, you are comparing apples to oranges. There are plenty of closed source or hard to audit components of every system. Do you trust your baseband? Like I said, the argument has been run through analogies and the facts are quite contingent.