I bought the latest, greatest, lifetime warrantied drop light about six months ago. All LEDS. What a POS. In a darkened room one could find it if one plugged it in. But, it don't put out any light. One must set it on the exact thing one is looking at.
Don't have a clue about their use in auto illumination except to relate those results. Based on how poor they do as a drop light I imagine there must be some gimmicy look they give off as I doubt they do well in the only purpose they should be compared on: candlepower.
Bosch Master, ASE Master, L1
33 years MB technician