Lol.
Lol he does know his stuff. It doesn't make sense to me either but I'm no engineer.
It's not a nasty camber but you can definitely see it. I wouldn't want it to be that way in forward gears though for sure.
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This is a pic I took today. I'm not sure how much it helps because it's not even on perfect level (thus exaggerating the angle), but it hopefully helps illustrate the effect.