

Selling a product is a good business model if the product has a shelf life or naturally degrades over time, but served you so well that you’ll replace it in kind or with an upgrade.
A product that does something exactly once and done doesn’t scale long term, so once the hype was over, that was that.
They exist in Switzerland.
https://en.m.wikipedia.org/wiki/Sarco_pod
https://www.swissinfo.ch/eng/assisted-suicide/after-the-first-sarco-pod-death-will-switzerland-introduce-stricter-rules-for-assisted-suicide/88824081