[JTO]

Statistically, 80% of the violent encounters happen in low light. With this being the case, what business do you have shooting someone if you can't positively identify that they are a threat? A weapon light allows you to do this without sacrificing one's typical shooting grip. A handheld light is better than nothing but much more difficult to use under stress.

So yes, I'm in the camp that all of my self-defense guns have weapon mounted lights. And I carry the handguns inside the waistband typically, with a well designed holster. This is how I've been trained and how we practice.

The issue is identifying the threat. A white light allows this to happen. A laser is an aiming device, not a threat identifier.
Troy