[gaius]

Just move on. If he ever comes back, insist on paying what he owes before doing any further work

Unscrupulous people could get an awful lot "for free" if every company gave them one chance like that. It'a a service to the community to take them to the cleaners.

[scotty79]

Every human has innate impulse to punish such freeloaders and pleasure coming from punishing. But it comes at material and often psychological cost.

I believe that there's so few freeloaders and so many wanting to punish them that I'm better off suppressing punisher impulse in myself and find my pleasures elsewhere, cheaper.

You could say that I'm freeloading on the backs of freeloader punishers. But same could be said about anyone not working for the police, justice or IRS.