I've worked on and made many adult sites in my past.
Unfortunately, the internet now-a-days is just WAY too hostile towards anything remotely related to the XXX industry.
PornHub got in trouble, OnlyFans got in trouble, Fetlife got in trouble, among many other big name sites in this corner of the internet. Stripperwebs, a VALUABLE resource for the adult industry in general (strippers, cam-girls, onlyfans girls, etc.) went offline in February 2023 for no clear reason.
Not to mention, many people don't feel comfortable giving out a copy of their ID, even if they black out all other sensitive info outside of their birthday (which I don't blame, again, given the current state of how internet privacy is basically dead, lots of big corps getting in trouble for selling sensitive info to scammers, etc.).
There's also the problem of SESTA-FOSTA and other bills that have made sex work that much more hard and straight up dangerous. A LOT of funding related sites (Patreon, PayPal, Venmo, Cash App, etc.) explicitly forbid support adult industry (XXX) content.
I have a site that's basically ready to open, but I don't feel comfortable given the overall hostile nature towards sex workers as well as the difficulties of keeping everyone safe from creeps who inevitably are drawn to those kinds of sites.