The point making is, that the trucker is making a slightly annoying situation caused by a misaligned light, incredibly dangerous with his behavior.

Driving with a misaligned light is a nuisance, but not inherently dangerous. Of course should still be fixed, it’s not OK. Blocking multiple lanes and deliberately turning on highly blinding spotlight on several cars behind you is fucking insane behavior and incredibly dangerous. His reaction is completely disproportionate and ahould be punished much more severely, the trucker clearly has road rage issues acting like that.