Cool. Can you point me to some proof of this? Because it seems to me that if you intend a lamp to help you see the side of the road better, then the current design of most modern fog lights is severely lacking. They are mounted lower and wider, but still with little regard to actually directing light anywhere (which should be achievable, as headlight design proves), which seems to be peoples main complaint about people leaving them on constantly.
Not saying you're lying, but you seem very sure, so presumably there's a design specification somewhere, or a history that you're aware of. I want to know when foglights went from something that actually had an intended defined purpose to being what appears to be little more than an indicator that you chose a higher trim level, which seems to be their primary use today.
For example, the fog lights on my car are mounted lower. But they are just a circular lamp with a normal 12W bulb in them - there's been no obvious attempt to make them useful for what you say other than being lower than the headlights. I find them essentially useless.