Check out the smash workshop at smashboards.com
And "needing" banning a character is proving the balance point. But with the exception of Diddy, who you can camp hard with anyway, there's no other viable offensive character Brawl. And don't forget Olimar...and he is as campy as it gets.
I enjoyed back in my day healthy Melee tournies with Fox, Falco, Marth, Sheik, Peach, Jiggs, Ice Climbers, Falcon, Doc, Gdorf, DK. Of course in both smash games, tons of low tier players, people are quite silly.
And I think not every advanced tech in every fighter is put in the manual. But the makers of smash DO NOT CARE ABOUT COMP PLAY. SAKURAI HATES IT. Made Brawl to not be. We said F that, and making B+.