Non educational perceived waste of time. A NES was part of many children's lives yet when my folks bought a TV, they made it clear that it was for education (language learning) purpose. Yeah I was disappointed that none of the boxes that came with the TV included a NES, beggars can't be choosers.
What I am wondering though, is how do they prevent non-PG games to be installed, or is that just some EULA? If they put some form of the protection, and the kids somehow manage to get around out by themselves (via some clever solution), I'd say fair play to them (call it a reward for problem solving).
Oh, and do they have Logo? They should