While that's usually my line too, in this case it's also a nightmare if you're selling access to an AI and it unexpectedly starts barfing up EU citizens' private data verbatim that 'somehow' ended up in the training set.
It's a nightmare for anyone that isn't a tiny startup that flies under the radar. See: shocking lack of global-scale innovative companies made in Europe.
Language barriers and local markets. 95% startups here build things for local markets and fail to scale to the global ones. In the meantime US startups scale to ~1bn people almost instantly.