So, bottom line is that the t&c of the program itself, the guidance issued to properties, and common sense, all mean that status level is not a mandatory determinant.
There are a lot of good reasons for a property to prioritize based on revenue, but that is irrelevant because even if it is a bad idea, it is the individual property's decision.
If it is important to you, deal directly with the property and book away from those which upgrade away from your preference.
Or, WSBS "Want Suite - Book Suite"