Seems to be some confusion between whats fog lights and driving lights.
I know the vernacular and laws are different here.Fog lights are pointed low and are low range lights they can be used anytime day or night and present no problem .
I have also noticed an increase in fog lights fitted .Nearly all mid range Jap and Euro vehicles come fitted as standard.
Driving lights or "spotties" have always been popular with rural drivers in particular.
They are illegal to use in built up areas ,or when deemed as not required.
Put your driving lights on in fog and the reflection off the water particles will blind you.
kangaroos are a big problem in rural Australia , they tend to feed on the green grass alongside the highway when it's dry.( This is Australia it's dry most of the time) Roos are easily started and often bound towards traffic instead of away from it . A good pair of driving lights helps to avoid collisions , and are considered as mandatory equipment in some part of Australia.
Same as the laws here in most parts of Canada.