The fact that we're not talking about commodities but vulnerable humans that can be intimidated to silence and suffering by organized crime. The very presence of this space as a racket open to economic exploitation fuels crime and trafficking. The only realistic solution seems (unfortunately) to be reducing the space itself.

There have been plenty of comprehensive reports showing exactly how legalizing prostitution helps organized crime.

This is just one of them:

https://www.europarl.europa.eu/RegData/etudes/etudes/join/20...