@Auggie:I seriously doubt that things will change all that much, if at all. People don't change their habits that drastically. When walking around topless became legal, did you see many topless women running around?
Knowing a few Companions, this line of work is not for everyone. It takes mental resilience and a particular outlook on life. Money is not a motivator. If it was, we would all be trying to be financiers, doctors, or lawyers.
The government's position is a moralistic standpoint aimed to appease the religious and the prudish. It has no bearing on the central matter, which is the safety of sex workers.
There will be no Hooker Apocalypse, anymore than there was a Boobie Apocalypse*.
* Boobie Apokalypse would be a great name for a rock band.