"moment will completely change the underlying terms and conditions you agreed to" They do it all the time. The terms are vague and they can interpret them, or

"moment will completely change the underlying terms and conditions you agreed to" They do it all the time. The terms are vague and they can interpret them, or change their mind at will. This happens daily in small cases, and more so in bigger one's were Apple, out of the blue, demands a 30% cut of some adjacent business. Apple is in this for profit - if they can adjust the rules within legality for more money - the will.