The average business uses G Suite or MS Office, and I'm sure that they could find the right setting if their government contract were dependent on it. That's a heck of a lot easier to pull off than migrating >1.4 million military personnel to a new email address.
Hey, a new job for Clippy! "It looks like you're writing an email to a Mali address. Did you actually want to use a .mil address?". Especially Malians will welcome this feature...
