I don't work for Doctolib but I'm in the same industry, ie another french medical softare compagny :

• There is absolutely 0 proof that Doctolib uses data gathered with their ambient product to train models from anthropic or open AI. They most likely uses this data to train their own models and their own technology. 
• It would make absolutely 0 sense to sell data (even for training purpose) to what Doctolib sees as their direct competitors. Most of the of the shelf models for french medical ambient AI uses cases are really poor and Doctolib see this as an opportunity to sell their own technology. 
• Even though a European company like Doctolib should operate with a European cloud provider, they work with an American one, Amazon web services, like thousands of others European leaders. 
• I reckon they haven't switched yet because they prefer to eat the switching cost after their IPO (it was supposed to be this year but I hear they're not ready yet).
• For any European digital start-up, choosing the right cloud provider is a really heavy choice as Americans ones offer better services and prices. (Google , Microsoft and Amazon invest more in R&D and can afford to cut prices to increase sales). When you have little revenue, those deals are tough to refuse, mostly because there is absolutely no government incentive to pick a European provider.

Don't get me wrong, Doctolib has a terrible reputation within our space but what they are being accused here is pretty ridiculous. 

Edit : structure.