People with blackmarks. Every monday 0.2 blackmarks are deducted from each person. 1 blackmark warrants a temp ban. 10 blackmarks warrant a perm ban.
"Vegeta, what does your scouter say about the Dow Jones level?"
"It's under NINE THOUSANDDDDDDDDDDDD!!!!"
"What NINE THOUSANDDDDDDDDDDDD!??!"