If they already Know of 10,000 "inappropriate sites", why haven't they shut them down, or tried to?
(1) The "inappropriate sites" are probably not in a country that makes it easy or as cost effective to do so.
(2) Such "inappropriate sites" will only pop up somewhere else if hammered down (think of that video parlour game with the mallet and furry creatures popping up and down through holes ...)
(3) They are. This new attempt is called "ISP Level Content Filtering", and who knows what the next attempt/effort might be called.
Personally, I reckon we are going to need A.I.s to drive this thing in the end.
Never mind "skynet", think "censornet". :)
regarDS