Earlier quoted context omitted.
I really think that criminal theory needs to progress. We differentiate between say consensual intimacy and rape and we don't let the existence of sexual abusive people set the terms for our romantic encounters. We have carved out a class of engagements, labeled it deeply asocial, criminalized it and now we pursue people who engage in it through legal means. Business really doesn't have this. Personal example - last…
Does your country allow suing him for a large monetary amount? Have you talked to the media? A lawyer? Maybe together with others? Made it as easy as possible for the police to get him, paper trail, receipts and all? You do have points, though, but there might at least be some actions that you and others can take in this case. Maybe a medium change like changing the law on this specific point might make sense.
If there's an accumulation of complaints against this merchant then that should warrant an investigation.
The police have like half the local city budget, can't they do their job?