Parts-pairing is also rampant in #PoweredWheelchairs, a heavily monopolized sector whose predatory conduct is jaw-droppingly depraved:
https://uspirgedfund.org/reports/usp/stranded
But if turning phones into e-waste to eke out another billion-dollar stock buyback is indefensible, stranding people with disabilities for months at a time while they await repairs is so obviously wicked that the conscience recoils.
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