"And by the way, these rooms are usually booked on the Platinum reservations day as they are very popular!"
Not really, we got off of the Nov 2017 without a "placeholder" and in December 2017 booked room 6134 Magic for November 2018 Thanksgiving Cruise. We were still Silver and (with a placeholder we got in May 2018) for June 2019 for room 6506, but decided to do Fantasy for March 2019 and moved our June 2019 Alaska to March 2019, and once June 2020 was released we booked at Silver room 6506 for Alaska. At Gold we were able to book room 6506 for June 2021 for Italy/Greece.