No way. I want my AI trained on everything, not just pages that "opted in." If you don't want AI learning from your work, then don't publish it.
"your" AI ?
> If you don't want AI learning from your work, then don't publish it.
If you don't want me stealing and reusing your licensed open source code don't make it public
If you don't want me to steal your car don't park it on public roads
See how dumb that is ?
A practical matter, larger point completely aside: a nonzero number of individuals and corps will indeed use licensed code internally if they come across it and they feel it helps their goals.
If you want to use my work, credit me.
Try and tell Disney “if you don’t want your media pirated of copyright infringed, don’t publish anything”.