Getting abuse for DPS as a fairly new player - normal?

[Redeyeuk]

Well I've only been playing a few months, having just managed to get through the MSQ before SB arrived, and now just managed that.

Before SB changes I'd just got the hang of my rotation on BLM, so SB changes are giving me a few issues at the moment with having to try and relearn it.

Just did Kugane Castle and got a load of abuse from the tank telling me my DPS is dreadful and I need to learn to play my class. He apparently was using some sort of parse to know what everyones dps was.

Is this normal for new players to experience? To get a load of crap from people who've been playing a long time? I don't mind constructive tips to improve as I know I'm new to the game, but outright targetted abuse just makes me question investing any time into the character.

If this is the 'norm' then the ingame community is just as bad as WoW's and that was like a cesspool.