They all take a huge dive in RPM, are iffy with UX and security and tend to not last long.
My personal account was locked out of Adsense in the same way years back. A violation every 5 months or so, which I always "corrected." Then one day it's just off. I respond and eventually Adsense is restored. Then a few weeks later, closed and banned.
And it's been that way since. No recourse. Just ... shut out.
This was a site with 100% user-generated content. If Google can't handle something like that, well ...