I use the bumper lights now and then but I haven't used the windshield mounted lights but once. 6 lights do make a statement when someone is blinding you with their high beams.
I don't use any in town and can't figure out why anyone else does other than to blind people. Especially on the freeway going to work in rush hour. What idiot can't see the car 20 feet in front of them on a clear day. geez! Next guy behind me is going to buy me a new vehicle when my brakes accidentally lock up. Last turd stopped in time.