Good question and on that will never really be answered.
Study: Many adopt ad blockers to avoid ads, not bad user experiences | Marketing Dive
If you are operating a website with a CPI monetization strategy:
https://www.linkedin.com/pulse/why-y...u%C3%ADs-frade
But you need to distribute your app outside of the Android/iOs ecosystem if it is adult -- not an easy task.
A direct contracting platform for ads is needed -- first party ads can evade ad blockers.