sex workers do not like it
They like the online sites as they make things far safer, especially sites that allow reviews as news of problem punters can spread, plus, although there's theoretical anonynmity, the sites will be recording IP, (depending if member ship site) email address etc, all of which can aid in catching culprits if a crime is committed.
The more "underground" a sex worker goes, the more dangerous it is.
In similar way to someone working in multi worker premises (technically illegal) is a lot safer than someone on their own, plying the street.
Cannot speak about US groups per se, but they will probably have to make use of alternate methods to track problem customers e.g. in UK groups such as National Ugly Mugs allow sex workers to share information about dubious customers
Biting the hand that feeds IT
