This was certainly our experience when we were children. Near universal, I'd wager. But I don't think it's nearly as true for parents born in the eighties and n

This was certainly our experience when we were children. Near universal, I'd wager. But I don't think it's nearly as true for parents born in the eighties and nineties. And to the extent that it might be true, it's still not a valid excuse for objecting to the existence of any such tools.