I think maybe they expect most lights to get professional adjustment in a garage / dealer workshop.
And it might be presumed that the floors put into most workshops will be level.
Who was it on here had the tagline "You can tell the quality of the engineering by the lack of wrinkles in the duct-tape"?
__________________
Black Betty [Bam a Lam!] '93 UK spec, still languishing
Betty
Jersey Girl Silver '92 UK [Channel Isles] 40K
Jersey Girl @ Mersea
Candy Purple Honda Blackbird
Plum Dangerous
White X2 RVR Mitsubishi 1800GDI.
Vantastic
40,000 miles Jersey Girl