Can this be reworked?

What is the reason behind this mechanic? This is an example thats happened to me before.

I join a PT to do the 4 man dungeon. we are waiting for a 3rd and 4th member. I go out side and try to kill a few mobs. Too bad The PT leader isn't in the area so my hands are tied from doing anything. I just have to sit and /wait.

It was the most boring 1hr 30 min I've had in this game yet!