I don't want those doors to get stronger or your personal rewards to decrease any, but the simplest solution to their current problem is to just scale back the rate at which world points are handed out off of primetime. Night capping won't (and shouldn't) go away, but it's not fair that what a minority does during this time has vastly more influence per person on server rating than what the majority does during the day.
To rephrase Jin,
Am I supposed to get penalised because i live half the world away from you? GW2 is a global game. While the server is based in either EU or NA, it doesnt mean that its not for non NA/EU to play. We pay as much as you guys and give as much effort as anyone else to fight for our server.