This is mostly a framing war. Calling it "sideloading" makes it sound risky or unusual, but if we called it "installing software on your own device", Apple's and Google's restrictions would seem absurd - like telling homeowners what kind of light bulbs they're allowed to use.
Or what kind of store you can drive to.
Imagine if your car was locked to certain manufacturer-permitted destinations.
That's what our smartphones have done.
> Imagine if your car was locked to certain manufacturer-permitted destinations.
not to mention paying your car manufacture a 30% cut on anything you purchase
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