No one goes around stealing bikes just because they want to do bad things.
There is a large amount of people who go around stealing bikes for fun and some cash; and often "street cred" or something akin to that.
nobody steals bikes to buy milk for their baby either.
My brother in Christ.
"Let's go get sushi and not pay." -- Repo Man, 1984.
That's into the absurdist territory, but it reflects the real pattern of behavior. People do go around committing petty crimes for various reasons.