It's not AI, but drug makers have already opted out of EU countries because of their regulations.

"Drugmakers Boehringer-Ingelheim and Eli Lilly have called off plans to market their Type 2 diabetes drug linagliptin in Germany because new legislation in the country could mean that pill's price could end up being too low."

https://www.reuters.com/article/boehringer-lilly-idINL5E7K23...