Originally Posted by
fruitcage
In general, any TPs beyond a threshold but with no likelihood of reaching the next threshold are wasted (ignoring the small number of people who have a realistic prospect of lifetime Gold). So one of the key incentives to fly BA/OW is considerably reduced once you know the next threshold is out of reach.
I would say the key incentive for most people is to
use the benefits through status, not attain status.