The key is to avoid chantage, remember Oracle with DBs, people learned not to build on top of unreplaceable stuff
Also, they're listing CoreWeave as inference provider in "EEA" area, but CoreWeave is of course also an US company. Even if they have their data center physically in the EU, it must be considered open access for the USA due to the CLOUD act.
https://trust.mistral.ai/subprocessors
If what you say is true, they have a communications problem and they need to fix that urgently. Right now, this is why they don't get my business. Others will have made the same decision based on their own subprocessor list.
Or did you mean, they're like, right now building it and plan to move there, but it's not up yet?