PSA: How U.S. iCloud users can ensure their data isn’t migrated to (vulnerable?) Chinese servers

While Apple yesterday warned Chinese customers that their data would be migrated to local servers managed by a government-owned company from the end of February, TechCrunch reports that some U.S. customers are also being caught up in the migration.
After talking to a number of users, we found that Apple has included iCloud accounts that were opened in the U.S., are paid for using U.S. dollars and/or are connected to U.S.-based App Store accounts in the data that will be handled by