In most countries there is a mandatory periodic technical examination for motor vehicles (like MOT, TÜV, etc) where lights are tested for exactly this reason.
Also, I don't think people tilt their headlamps up on purpose.
Also, I don't think people tilt their headlamps up on purpose.
Or they just drive around with their high beams on all the time. That happens, too.
Edit: also in the Netherlands there is no periodic technical check required for motorcycles