God, all I want to do is play with the Uzi, one of my all time favorites in previous games with the right perks. It's just terrible. That goes for most of the SMGs except the AK74u. 

It's because Treyarch.

You posted on the franchise page. What game?

Black Ops, sorry.

Because Activision.

A better question would be.
Why is Black Ops such garbage?

You know what the funniest thing about this thread is? A slight acknowledgement that Black Ops was remotely balanced.

SMGs are mostly pretty bad, yes, but play with the shotguns for awhile. Namely the Olympia. After you get FAMAS-ed a few times by some bro hiding in a corner while you're trying to get within the Olympia's 2-inch kill range of someone, you'll understand.