I think a bad run or two doesn’t make all tanks bad lol or this a “norm”

In leveling content you may receive a new tank or a bad one every once in a while but it’s not as often as non dps healers and single targeting dps doesn’t make it a norm it’s just a random occurrence move on and maybe tank some yourself

Also give them some constructive criticism instead of running to the forums, yes they may tell you to F***** off but I bet you either they leave, get kicked or at least attempt to do better