I think this bill had good intentions but was poorly implemented. ISP safe harbor provisions are really important.
Until there is case law precedent the good site operators are being cautious and shutting down. The sites you see now are likely ran by the shadier people in the industry who don’t care as much, if at all, about the law.
Source: I worked IT at a adult company for over a decade.
Its not any "harder" than it used to be pre-legislation. Some cops are just whining that their favorite watering holes got drained and they cant sit around all day filing subpoenas anymore.
All this means is that if you can still find hookers online, rest assured you're two steps ahead of the police. They'll go back to tossing massage parlors in the meantime.