Really guys? Someone asking for honest help and this is how you act?
To the OP, stick with it and results will start to come.
One thing that can really help is taking a season or two to play the popular but not meta-defining decks. You can only truly understand how to counter some decks by playing some games with them. You start to realize what is really annoying to certain decks that isn't terribly intuitive.
For example, at the higher ranks I still have people double trade into my Tomb Pillager all the time when playing rogue. When you play a bunch of games with rogue, you realize that a) you often want the pillager to die and b) 4+ damage going to anything but your face is great. There are dozens of interactions that are the exception to the "rule", and to get above rank 3 or so you have to take advantage of them to win.
Hope that helps, and that these losers take their pissing match somewhere else.