The Centurion/Hyatt relationship wasn't paying off for either party. It did however hook me on the Hyatt brand and I've continued earning Hyatt Diamond ever since (8 years).
In a couple of years where I was a little short, Hyatt was kind enough to let me slide and keep the status. If you call and ask, they will look at your spend for the year and make the determination based on that. A diamond traveller who one year stays 35 nights at $350/night is worth them keeping happy vs. someone who has 50 nights at a Hyatt Place for $89/night.
I've actually avoided Starwood ever since Platinum went away.
Dan