If this regulator knows what is best, they should definitely fine Microsoft 4% of their global revenues on top of that reckless chat history leakage incident O̶p̶e̶n̶AI.com had.
There is a reason why Google launched Bard in non-EU countries.
Is there a legal reason to play along? Trade agreement violation? Or, is it just a matter of wanting to keep those markets.
In short, walk with care on the feet of Caesar. For you are small, and once roused to anger, said train has not been known to quickly brake.
† I mean, that's probably not the exact intention, but that is the effect of a huge monetary cap alongside the proportion of turnover. I also think 4% of turnover is problematic given the old Pinto equation (https://www.spokesman.com/blogs/autos/2008/oct/17/pinto-memo... ); I'd rather a cap set in the region of 150% of global gross profit, but capitalists would never go for that.