Exactly my thoughts.

Slob HUNTERS - those who shoot an animal, but if it doesn't drop right there, they don't get out of their stand.

Slob HUNTER - the guy who takes more than the limit.

Slob FISHERMAN - the guy that tosses his styrofoam cup overboard.

I can't see the point of using a historically "bad" term to discuss or describe something good, there's enough good words already.

As far as hearing it on tv or someplace and then using it myself , well I guess I'm not much of a follower ...