It seems that cashback cards such as Arrival+ and Citi DoubleCash etc are the highest risk of shutdown for MS
Can add Spark and QS on the list.
Anything that gives reward in the bank's OWN currency are much higher risk than the airline miles / hotel points. This subj has been talked about periodically scattering around related threads. Those who dont believe or want to know more could go over related threads and read the DPs themselves.