Well in the end, it all worked out pretty simply. 14 days after the first delete request, I could go back in and delete the page I wanted to be using going forward. Then right away I could go to the previous page and make the link change to use the one I had just deleted. Then I re-registered the one I just changed from and put a redirect message there to the new page for the audience who might still access our page directly. That’s probably clear as mud but hope it helps someone else too.