I believe that few years back around c3 there was a good balance of classes.
So tank was a tank and could take couple of people and although he couldn't kill them but they had problem with killing him too.
"Archer can't beat good Tank" Yeah but this should go other way round too so Tanks killing people in few shots isn't the best thing too.
Tanks, healers , warriors ... more or less the name suggest how the class should look like. At the moment a lot of people wants their class to kill everyone else which is wrong. It should be more specialized I play healer because love team work and keep people alive not to kill others, from that are daggers and nukkers in my party.