It should be solved but it doesn't hit the radar in politics, at least not here in Canada. They are objectively better lights, the problem is that standards don't exist and non-highbeams are blindingly bright. It especially sucks if you're not in a truck or SUV.
Honestly, Hitler's on everyone else's time travel hitlist. I'd go back and get the guy that put LED headlights into cars. I am so sick of getting not just blinded, but migrained after a short night drive in the city.
They still are, they're just people that are repressed by a theocracy now.