> Hard to share the things people use at the same time.

Yes, but if it's your goal to have fewer cars, then you'd make an effort not to need to use it at the same time. If that's not what you're trying to do, fine. My wife and I share a car. It's slightly inconvenient sometimes, but really not bad at all. For our particular life anyway.

So here we're talking about iPads. Some families need multiple devices for various reasons. Some don't except for the fact that iPads don't support accounts. No one's saying you would have to use them. But you're not allowed to.