Ah, so that you can have users who “sideload” as a distinct minority, like those who root their phones. And then introduce measures to make that minority continually shrink until it’s considered a niche use case that doesn’t need to be considered too closely. Got it.

No. Not good enough.

F-Droid apps are all open source and verified. You don’t get much safer than that.

Google should not be blocking anything that’s not on the play store.