In case people didn't know, Creative Commons has been on the side of "screw your rights and livelihood, it's fair use" regarding GenAI training since at least 2021.
https://creativecommons.org/2021/03/04/should-cc-licensed-content-be-used-to-train-ai-it-depends/
The new "AI" license 'signals' are interesting as a development (assuming anyone honours them when companies mass pirated commercial creative works!) but not a surprise (and apparently don't include a "no" option, because that's elsewhere in a spec and this is for granularity of yes)