So a bus stop with a dwarf tree next to it becomes a pocket park?
There are cities in Florida where they have made it geographically illegal for sex offenders to live. So there are now camps of sex offenders living just outside city boundaries.
It's all well-intentioned, but is just a way of pushing problems off on someone else and creating laws that can be used against the innocent as well as the guilty, e.g. RICO, asset forfeiture, overweening zoning laws, etc.