I agree with your sentiment, and maybe this is a minor quibble, but I don’t see how complex electronic implants can be designed to function on the same timelines as “inactive pieces of metal”.
I do think that your bashing of privatized medicine is on the right track though. There needs to be some sort of regulatory framework, and possibly public funding, to maintain warranty and replacement stockpiles for implants that are too dangerous, or complex to remove, or unique in the medical niche they fill.
However, I’m just spitballing out of my ass and depth here, so there’s a real possibility that everything I just said is nonviable, or otherwise idiotic.