[JamesP81]

The operative phrase is "that work".

Such tools will not be invented. Take that from someone who writes software for a living. No matter how good the controls and blocks, the ways around it will always be better.

I see no problem with a .xxx domain. It allows us more discretion in choosing what to see or not see, and it doesn't prevent people engaged in a legal, if not moral, business enterprise from conducting business.

[JamesP81]

Such tools will not be invented.

With the caveat that putting everything under a .xxx will make exceedingly simple blocking tools effective where now even sophisticated tools won't or ever will be effective.