On Thu, 25 Jan 2018 21:15:39 -0000, James Wilkinson Sword wrote:

Every car has different brightnesses and beam patterns, it's ludicrous.

And with everything from street lights, building flood lighting and
car head lights tending towards cool white LED. You can't tell if
that light you caught a glimpse of through some trees is a street
light a flood light or headlight of an approaching car.

--
Cheers
Dave.