Typically porn sites make money on user metrics, meaning the demographics of your viewing habits. So not only category, duration of time viewed, browser analytics, and other important metrics involved in marketing. So the root of the issue isn't typically with clicking advertisements, rather the metrics that are also collected from you actually visiting their site. This is just like how companies on big tech make the majority of the bankroll too, and they typically outsource it to whoever they please.
In more malicious of manners, not in regards of the actual porn sites themselves. Malware, which has actually been a massive problem in the XXX hub, since the dawn of the internet. Most of the time, these websites are the easiest to target, because the amount of traffic they usually receive. The advertisements that are usually supplied by third party promoters are the most laden with this type of issues. Usually supplies your device with an unpleasant array of nasty things that end up compromising your machine, to do whatever they desire with your data.
