You’re getting downvoted, but while what you describe probably isn’t going to happen, you’re not too far off. We’re already “there” with walled garden app store

You’re getting downvoted, but while what you describe probably isn’t going to happen, you’re not too far off. We’re already “there” with walled garden app stores, and outside of that app signing where you need to pay to be in a “developer program” to be able to sign your apps [1], DRM baked into the browser (EME) and hardware (HDCP), mandatory logins to cloud services for appliances, etc. [1] (Thinking of macOS here. I’m sure a non-centralized way of signing would also work.)