Good point, but begs the question; how fix?
maybe there is a market for JUST data migration/storage/translation service?
Such that you can be a data miration/router first hop - and then pipe to AWS/GCP/MS at will - then an overlay which launches the overlay infra on demand depending on which rout you want to take...? Layer 9
Fortune 500 have lot of data and while its free to move data to a particular cloud provider they pay a bomb to take it out.