Don't steal bikes, bro

Your nose must have no nerves! I’d rather nave my fingernails torn out.

Sure, but you are going in from the nostril. Try it orally.

Looks like most of the punches landed on the helmet anyways, that probably hurt the attacker more than the thief.

No sympathy whatsoever for the thief.
Hopefully this might make him think twice about stealing in future but I doubt it.
People like him laugh at community service or fines that they never pay.