That's always been the case. Jailbreaking your phone is also breaking TOS. Sideloading apps on iPhone by using the developer features is breaking TOS. Almost anything that gives a corporation less money or control over you is against that corporation's TOS. That's not the law, though, and we need to grow a collective spine.

... It's a lot easier to have a spine about risking getting banned from a service if getting banned from that service wouldn't destroy your life.