This is the deal...
Today I was about to log off and a friend invited me to help them on a T3 Mission. I willingly accepted because I had 30 energy left, turns out they needed me to revive them all so they could finish which I helped them do as we were swamped by gremlins. It was all very fun and I even helped them finish the first section of an arena depth and suddenly I see a loading screen and I realized, I've been kicked. Without me they wouldn't have had the ability to continue to the next depth or even finish that arena, personally I hope you failed. I got a message saying "Sorry :(" and I responded with " Why (was I kicked)" which he said "bec, i knew you wouldn't agree" and then I gave them a lecture about their actions. Personally I find this despicable. Have the honor to respect those that help you.
Calling people out is not allowed/frowned upon on the forums. I recommend you remove those names.
Aside from that, I do agree that people like this really need a lesson in common courtesy. Someone who goes out of their way to help another person should not be treated as you were. I find it to be similar in how someone asks "Hey, anyone want to join for FSC?", and you agree to do so, only to find out it's just you, 20 slags, and three dead party members lying around. At least tell people they're coming to a dead party so they know what to expect.
Just makes me rage a little inside when people refuse to show a little appreciation/respect for those around them who are willing to help :/