It's becoming more apparent by the Block that UASF may become necessary to #FixTheFilters.

Nodes (Users) have had to deal with dishonest Miners in the past, and we may need to do so again in the future.

"Bitcoin users might get increasingly tyrannical about limiting the size of the chain so it's easy for lots of users and small devices." -Satoshi Nakamoto

https://bitcointalk.org/index.php?topic=1790.msg28917#msg28917