Google is here to protect you from the lovely document reader that they forcibly mutated into a toxic app platform.
The web is the safest, most battle-tested sandbox environment to run apps in. It’s so safe that you click random links all day long, running 1000s of apps and never have to worry.
I’ll take web apps over native apps from a security perspective, thank you.
There are better ways to sandbox applications in 2020.
This is true despite the fact that on iOS, sideloading custom apps without a developer account is extraordinarily inconvenient.