I left American for United to keep gold status as I could not keep up with the $6000 EQD per year. Once I found the star alliance perks do not work on air canada or lufthansa (seat selection, extra baggage), I am busting to get back to one world. I signed up to RJ as I saw they did match status but here is the response I got:
"Thank you for your interest in our Program.
While we do appreciate your business, unfortunately, we are not accepting anymore applications for Royal Plus tier match."
on March 19, 2018