The bubble is there because that's the design
http://gamerescape.com/2015/06/18/loreca...rnehalwes/
Quote:A: Long ago, you mentioned that 1.0 took place in a “Simpsons Time Bubble.†Are we still in a bubble? Or does time move now that we know Patch = Canon?
KF: It’s still a bubble; you have to have a bubble. There are players joining in Heavensward that are starting at the beginning. The bubble’s just gotten bigger.
http://gamerescape.com/2015/06/18/loreca...rnehalwes/