"Outsized value" means something that is considered to be of great worth or significance, but is larger or more significant than expected or typical. Full definition
The main negative about a revenue program is that it is not possible to get outsized value for your points. (rewardexpert.com)
So you lose out on the ability to redeem miles for outsized value on luxurious business class and first class cabins. (uponarriving.com)
Upshot: Strong for those with the ability to get outsized value from international premium cabin flights on Delta to Europe and ANA to Japan. (milenomics.com)