That’s probably part of it, but there’s definitely more factors. I trust the Play Store is able to align user patterns , like how 99.9% of users searching for and downloading a Lemmy app at one point downloaded a Reddit app.
then we need to be uninstalling reddit and installing porn social apps immediately after. enough people do it and…
onlyfans is an app, a quick search showed a couple others, dating apps mainly, likely a couple social services that don’t mention dating or sex that are actually used for that. Just have to find them.