If Meta had ever wanted this to stay in the EU the system would have been designed as Opt-In, not Opt-Out.

This was always going to get pushback.

Didn’t the new TOS also contain an AUP for any user generated content?

you can just disable it

This is not actually true. Google re-enables it and does not have an account setting to disable AI results. There is a URL flag that can do this, but it’s not documented and requires a browser plugin to do it automatically.