Yeah, they will definitely find a way around this. I'm all for keeping children safe on the net. However, that should fall back on the parental units..
I have 5 kids, the oldest will be 11 next month, and I monitor what they do on the net. Really have to becareful with kids YouTube as well.
My 5 year old twins twins were watching a seemingly harmless show and all of a sudden "Press C to wipe your ass" . Yeah, no.