It's not just that the French and German government are going to move to doing business with non-US companies for email. There are many reports  of governments and companies throughout the world choosing non-US cloud providers who promise not to have servers in the US. This is showing up on companies earnings reports in reduced overseas sales.
At first I thought it was silly - all governments want to be able to get their hands on data stored in their domain, so moving from the US just changes the potential actor. Then I thought "why would you store your secrets in a place you don't control?" If you've got something very, very secret, you don't store it in a bank, you hide it somewhere on your property (and no, I do not have anything very very secret