I should clarify more.
I didn't mean to hint that losses shouldn't get anything.
The honorable defender buff is how I think the reward system should be approached.
Make meaningful kills, those actually near an objective be rewarding, but mindless ganking in the middle of nowhere not be.
Put an aura around each objective, be it stationary or mobile like a player with a flag.
Don't give honor to players who run into the middle of the field miles away from the flag, but only to those who are killing opposing players near the flag.
Kills should remain attractive where they are relevant.