It's possible, but it depends a lot on the nature of the data sovereignty guarantees. Today for many companies, the kind of guarantees they have with AWS amount

It's possible, but it depends a lot on the nature of the data sovereignty guarantees. Today for many companies, the kind of guarantees they have with AWS amounts to basically legal coverage. And that is fine when the company is itself protecting data only due to legal or regulatory reasons. But if the company is protecting it for commercial reasons... then a different model is needed. It could happen, but it has to be worked out.