We have many threads that explain concerns/issues people have with Marriott - How about one about What makes you stay at Marriotts.
Since I assume many people do as I do and check other FT programs to see if it is worth changing, might be worthy of a mention of why people stay with Marriott.
My top two -
1. Staying Free in Downtown Indy during F1 weekend (Coming up this Fathers Day)
2. They are everywhere - so I can get points in small towns.