If there's one thing netplay allows you to do, is to force other people to willingly play against a dumb character. While I could also do this in actual tournaments, I feel that those $5 are better saved for actually playing your main.
Now let's see how far one can get just by playing Bowser and only using Rock in RPS.
I hope nobody that play RPS in this site actually reads this shit.

Brawl
Kirby Fighters 2
Melee
Project+
Rock Paper Scissors
Sm4sh 3DS
Sm4sh Wii U
Smash 64
Smash Crusade
SSF2
Ultimate