I think you massively underestimate the number of people that will click yes to install random packages on their own phones in order get access to free games or porn or whatever.

https://research.checkpoint.com/2019/agent-smith-a-new-speci...

https://blog.malwarebytes.com/android/2019/08/mobile-menace-...

https://arstechnica.com/information-technology/2016/07/virul...