it's the oldest profession
"That change makes it plain that the law is finally catching with the impact of internet technology and that some of the broader protections put around internet companies in order to help them thrive may need revising in the light of recent changes in technology and behavior."
Prostitution is surely not new and neither is the behaviour. The question is whether is is socially acceptable and whether the ease of going into business with the internet has changed behaviour so much that a new law is required. Any laws which exempt internet companies from an existing law seems the wrong way to go about things. If you want to encourage people to buy faster broadband, which will give ISP a reason to invest in infrastructure, there are better ways than making it the immune from laws medium of choice for pirates, pimps or porn slingers.