I wasn't there so you can tell me to STFU, but here is my take on it.
According to the posts it was not an intentional attack. Accidents happen especially when people get new abilities and try them out.
I recently got the Wyvern form and went to kobolds to try it out. See, I'm not always a dummy.

It was a surprise to me that "breathe frost" was an area spell.
And a noob using an area spell where he shouldn't is just that. A learning experience that shows them they have a lot to learn. Like I do.
Reminds me of the time some imm rained catapults. I climbed in the first one I found and went from vk to ah very quickly. Hilarious, I think I landed on some big tank and they were kind enough to raise me.
So, next time some newb area spells people or pets, give them a good toss and then raise them, if you can, to show no hard feelings.