I agree, there hasn't been enough data out there to determine which lasts longer. As Slaymate says any solid state device only has a limited amount of writes to it before it won't hold a charge. That is the what really determines the life cycle of a SSD. This write limit happens on platter drives too because they too lose charge, but the more likely failure is mechanical since it has moving parts (read head crash, drive not spinning, etc).
With any new device come speculation - and that is a good thing IMO, just take it with a grain of salt.