I think the actual problem is that most of them are not made up to the possible LED reliability standard; they either overheat LEDs, cutting usable lifetime to

I think the actual problem is that most of them are not made up to the possible LED reliability standard; they either overheat LEDs, cutting usable lifetime to fraction, or have controller/power supply failure before that. LED light bulb might be less ecological but having to produce 40x as much (including packing, shipping, storing etc) incandescent on top of higher energy production required ought to compensate enough for that. But if random LEDs customers buy burn out after few years for bad design reasons that's not great...