Apple would be smart to permit this and open their market to a larger audience. Of course, this means that the 'experience' would have to meet with Apple's stringent expectations.
However, they could easily take the position that the best way to broaden their market is to force people wanting to connect to the iTMS to buy an iPhone. That would be short-sighted and dangerous, for reasons already listed in this thread.
However, they could easily take the position that the best way to broaden their market is to force people wanting to connect to the iTMS to buy an iPhone. That would be short-sighted and dangerous, for reasons already listed in this thread.