If the kid is old enough to purposely bypass the security, they're probably around the right age to find some of the stuff on the other side. But you don't want them accidentally stumbling into it because they searched something seemingly innocent.

If the kids old enough to figure out VPNs, dual booting, and all the other pretty simple workarounds then it is what it is. You can't control everything. I am talking about the little guys. And this dudes kid is googling how to teach crabs to talk. If someone is searching that they probably aren't ready to get completely unrestricted access because they are probably pretty young. Like I said, single digits or tweens.