I had just finished the mission part of the mission and bonus in Gates of Kryta, and went back to Kryta to join a group for the bonus afterward (the other group didn't know where the bonus was so we all agreed to just do mission).
Some guy said he was looking for a group to do bonus as well, but didn't know where it was (should have been my first clue) so he invited me. We spent the next 30 minutes looking for someone who knew where the bonus was.
Finally found someone who said they knew, so off the 6 of us went.
In the end, no one knew where it was, we went through the entire main mission again (that I had just completed), and the guy who started the group left half way into the mission! Said he had other things to do.
We actually did quite well without him (I was the highest level in the group), but never did the bonus.
When we got to Lion's Arch, I complained about "I thought we were going to do the bonus" and several of them told me to stop whining and that I could always go do it later, even though that is the only reason we went out to begin with!
What a waste of an evening, doing the same mission twice, getting no experience the 2nd time (or only a tiny bit), then getting attitude when I complained about it.
Henchmen are really starting to look good from over here.

Arrrgghh!
Bragg
LyzrdStomp