In the times I've been Sky on Oasis class ships, the lounge area/suite bar has always been absolutely packed. I've not yet done Wonder so I can't say about the suite area, but on Allure/Harmony the 'suite deck' was barely used because it was lacking any reason to - there's just nothing there except probably a bored bartender. It's less about 'wow, I wish there were more suite areas' and more so a 'wow, I wish they'd actually do something of substance with their suite areas'. New footage from Icon is looking nice, but it's still no where near The Retreat or The Haven.
I just got back from a room in the Haven courtyard on the Joy and it absolutely blew my mind over any of my suite experiences on RCCL, and I paid less for that room than they're charging for Icon balcony rooms.