This is exactly what's wrong with Apple's app store exclusivity. It's also what's wrong with mandatory notarization where regulations forbid that, and Google's plan to require developer verification.
Discoverability of PWAs is quite bad. I'd love them to become more popular, but attempted solutions range from "user manually needs to hit the install button in a menu" to banners capable of saying "install freewhatsappupdate.xyz for exclusive whatsapp deals"/"click install to verify you're human".
Microsoft actually tried to bring more attention to web apps by adding them to their app store, but nobody uses the MS app store.
The software on our primary machines used to not need blessing, but that too changed.
this is why any corrupt government allows the monopolies like Google and Apple proliferate. easier to contain a few
But since it exists, it can be abused.
I keep hoping enough people inside Google still give a shit to push back on their plan, but I'm not banking on it.
The idea of a world where users have no control over their own devices is just too attractive for the oligarchs.