[testis321]

Problem here is, if person #1 can do something, and gets away with it, then person #2 does that, and gets away with it, many more people will do the same.

Spending more on the crimes with negative ROI, makes the total ROI higher because it acts as a deterrent for future would-be criminals.

Reddit was full of video of really trashy kids, driving their bicycles through malls and stores harrassing random people there, and "nobody could do anything" about them. If those kids were arrasted, sent to juvie, given community service (or maybe even just shown on tv crying in court, instead of acting all badass on their bikes), that would sure stop many others from repeating what they did.