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Google's plan to restrict sideloading on Android has a potential escape hatch for users
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
Although you are correct, you still don't have to be a developer to find use in ADB. I've used it and I've never been interested enough in developing for Android to do more than install the SDK for it once.
Knowing what an SDK is already puts you in the 1% most knowledgeable users