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Too bad I had no pictures made from for example XHP70 LEDs I removed while the tin was in half solid state
both the LED bottom and the MCPCB thermal pad was literally swiss cheese
The thing stripping the LED in a half solid state is simply not going near the 240°C limit of all those LEDs,
but as I wrote on the majority of LEDs I replace in stock chineese lights were with suspicious leaded solder tempererature stripped

or 2 XHPs 35s from a big company which had literally only 5% of the thermal pad with a connection to ther thermal pad, and LEDs went almost instantly blue and overcoocked themself

Its not fair to name here the brands but about 50% of the chineese, also including top end priced ones had 180°C melting solder

So if we talk about waste, if 1 million flashlights with leaded soldered 3535 LEDs get thrown in the household trash does this cover the one car battery get thrown in it or not by weight?
The main reason for ROHS was the waste problem of all those electronic devices not that its a real hazard for humans while using it

In fact the main problem is this electronic trash not getting properly recycled, because its cheaper to send it as used working electronics to India or Africa,
where kids spread hazardous materials all over the place and burn away the insulation to get to the copper
ROHS cant protect from inproper recycled metal of electronic devices in such cases, the other burning things are way more of a problem than a tiny amount of lead