Lets look at the buff: It gives 50% Participation, 20% MF, 25% WXP, no armor damage on death and no war score for enemy. Overall this buff makes no sense. Some are those decent but the rest serve no purpose. What is MF and WXP gonna do when you can't fight back or take anything?
Outnumbered should become what I always view it as: A way to fight back. If you're truly outnumbered you won't win. If the enemy has 60 and you have 15 you just cant win, but if the buff gave offense and defense buffs then at least you can do something. It should give something like 100% flat damage and like 75% damage reduction. If outnumbered was like this then low populated servers could at least fight back.
As I sit here and type this my server is being spawn camped and we're unable to do anything because the 15 of us can't fight their 30+ here. If outnumbered gave some form of damage increase/damage reduction then we could at least push in and fight. I know Anet lacks the resources to do sweeping changes but changing the values on a buff has to be easy and its desperately needed.