Originally Posted by FBinNY

OK, so having worn out your welcome elsewhere, you've come here for a fresh audience to wear out.

First of all, nobody owes you an answer for their personal decisions. However if pressed, they might simply say they don't see the case for using a light in daytime.

But, I'm sure that that won't satisfy you, just as helmet zealots can't understand why someone would go bare. Then there's mirrors, fenders, video recorders, and so on.

All sorts of things offer incremental improvement in safety, and each has fans and zealots, but that doesn't mean everyone has to be a fan.