> I have bought 8 years ago about two dozen LED lamps > All of those still work flawlessly That's the point: you (mostly) can't buy LEDs made 8 years ago new.

> I have bought 8 years ago about two dozen LED lamps > All of those still work flawlessly That's the point: you (mostly) can't buy LEDs made 8 years ago new. The LEDs I have from a decade ago weigh three times as much.