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Dealers must provide value. Using laws to "create" competition is foolish and wrong. If there's no value in me buying a screwdriver set from Home Depot I should be able to buy it from anyone else, including the manufacturer. In other words, there's no fundamental reason or "right" that says a dealer must exist between a manufacturer of a good and the consumers of that good. Forcing such a structure is artificial and…
I hate dealers too and hate this law, but read this[1] comment that is a sibling to yours. It explains why this law exists. It's a shame it hasn't been removed yet because it is quite dated at this point. [1] https://news.ycombinator.com/item?id=12564578
In the auto business dealers can be horrible places to walk into. The other day one of my friends at the gym bought a used car. She got royally screwed. I didn't tell her because it'd break her heart. They did the old "let's talk about the monthly payment" trick. She is mathematically challenged and couldn't have managed the stream of information during the negotiations. She will be paying $24K for a $10K purchase.