User blog comment:Lorchyism23/Joining the Thalmor/@comment-5390489-20120926222041/@comment-80.216.219.47-20121013014650

Well, the Empire as a whole does not stand to gain anything from.

The leaders of it who are elven stooges though...

They stand to gain good positions with the Dominion when the Empire folds and de jure becomes an elven vassal state instead of how it is now, ie de facto a client state.