I hate those sorta bombers too.
I guess Im one of those odd bomber guys that gets to a good, safe alt (say 15k or so), fly in, drop and exit. I see a lot of guys upping buffs simply to go in NOE or do the dive bomb thing.
I dont think disabling the bomb drop is the solution tho. Sure, its an annoyance, but once you start limiting how the bombers can drop, where do you stop? Most of the arena is anti bomber. Bombers, with their payload, make an impact, for better or for worse.
Your best defense is to shoot the guys down so their efforts do not yield a reward.
That's why I go in with alt. 9/10s of the fighters out there wont bother to climb and engage me. That's usually all that keeps my Lancs alive since they are so easy to knock down.