Just because you don't know how to use them doesn't mean the stats should be bumped up. If they are it'll become OP. Learn to use them and you won't have a problem.
If they get a buff the players who are already good with them will be completely unstoppable.
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Except using a scout gives you all the benefits of a cannon without the negatives. Go read Tyger's thread on it. It isn't about skill. If you're good with a hand cannon, you're better with a scout.