This is one of the most educated things ive heard on the topic.
Just as a side note, if your going to get a wheel alignment and the aligner mentions "road camber" just walk away. As somebody thats worked on building roads of all types for years, i can categorically say that all road cambers are different. thats before you consider things like bumpsteer, potholes or other road damage. Setting up every car that comes into your shop to automatically pull right isnt just irresponsible, its down right dangerous!! Every car must be individually aligned to suit the customers needs. If they are unwilling to setup the car the way you request, go elsewhere.