I think it'll take more like 15-20 years, but yeah, it'll take a long time, and who knows how reliable the tech will be. These laser headlights, for example, a

I think it'll take more like 15-20 years, but yeah, it'll take a long time, and who knows how reliable the tech will be. These laser headlights, for example, are much brighter by default than standard headlights, but their safety for other drivers depends presumably on moving parts. When these parts wear out, what's the likelihood that drivers get them fixed versus just continuing to drive as-is, melting other drivers' eyeballs?