As if the "other side" doesn't do exactly the same, and try to beat down every different opinion with nonsense like "I bet you haven't played back then" etc. Both - as blanket statements - are just incredibly silly, but a lot of people fail to realise that.
Without reading through every post I am absolutely convinced that I would find at least one of those posts in here.
The thing is: It's entirely subjective. There is no right or wrong here.
Personally, I think TBC was absolutely awful compared to MoP, but I recognise that different people see things differently.