Yes I think the language is what needs to be clarified. I think the term for perks being used is "promotions". These are the FAQs
https://www.celebritycruises.com/bid-on-cruise-room-upgrade/celebrity-moveup-faqs
They mention "promotions" which based on what I was told on the phone and what many are saying here, are the drink package, wifi, etc. Not the amenities that come with the room. Of course, the issue is the Royal Suite purchased outright includes those promotions + the amenities. But with Moveup, the promotions are excluded.
The big question is how is this enforced? I guess they can see I have only purchased the basic beverage package. It came with the cruise when we purchased it. We bought the 10A land and cruise tour and that was bundled in. So I'm not highly motivated to upgrade my beverage package but very interested in potentially going all out for the suite and the amenities.