Mandatory? Never...partly because of cost ($150 or more).
I would suggest that if more people did the test and the database were open to lab folks to invite particular groups...you might have more designer drugs which work more effectively.
Overseas, 23andMe isn’t getting hyped and probably a decade away from helping on ancestor type searches.
“Mandatory? Never...partly because of cost ($150 or more).”
Haha...one word for you...Obamacare.