Nerfing...Necessary or Not?

I am firm believer that gameplay should be fair. I know people are getting killed by the Suros Regime. However, shouldn't all weapons be deadly if they are maxed out. The problem I have right now is auto rifles have been made way less effective, but scout rifles and hand cannons are killing people like crazy. If they had never nerfed auto rifles then it would be even now with the buff to hand cannons and scout rifles. I think they were too quick to nerf weapons, but that's just my opinion. What do you guys think?