So, by that mentality, you wouldn't care if you were stuck in moving traffic behind a rust bucket that was spewing chunks of corroded metal all over the front of your car? You wouldn't care if their wheels were being held on by two lug nuts each and could pop off at any moment? You wouldn't mind if they had a huge 20+ foot plywood spoiler held on by a couple small sheet metal screws, rocking back and forth in the wind and ready to smash through your windshield? What if they completely removed their normal headlights and installed industrial spotlights, aimed directly into your back windshield?
The laws exist for a reason. I agree that there are some that may be pointless or more trouble than they're worth, but bear in mind that you don't own the roads, you just drive on them.
Headlights are designed to provide light so that you can see where you're going, and others can see you. ANYTHING you do to reduce the amount of light coming out - whether it's tinting, getting smoked covers, buying bulbs with a significantly different color temperature, etc. is plain stupid. It looks just as cool as an 8" exhaust tip on someone's Civic (that is, "terrible," if you didn't get the hint).