That would only apply if it meant people had more partners now on average than they did in the past. That might be true, I haven’t seen statistics on it.

But that wouldn't be manifesting as cancer yet. It should take a few decades to see the results.

Based on what, perception? Most people report how bloody useless those apps are.

The top 10% most eligible (attractive, well off, etc.), are slaying on those apps, but studies have shown that Millennials and Gen Z are having less sex overall.

And those highly eligible folks are were slaying long before apps -- meat-market bars were a thing before most of HN was born.