Why not just enable both? Have the control panel be available but more of a power user kind of thing, where the new Settings page is what gets pushed to the average user. Of course it's more work to maintain both but last time I checked MS were doing alright for themselves and could probably afford it.
An incredible and depressing number of people in the world don't know what to wear, eat, watch, where to go on holiday or who to vote for until a celebrity tells them to do it.