Yeah, I've tried to train friends and colleagues on how to combat the normal car dealership sales model while still making sure the transaction is "fair" for the folks in showroom. But people think I'm being a super jerk hah and they won't bring themselves to do some of the tactics.
I agree that a normal consumer isn't really ready to fight dirty to really take advantage of the North American car sales model. Basically you need to turn the sales game against the showroom, and since they're trained on so many negotiation tactics it's really hard to get a deal done.
The average long-lived showroom has survived because they know how to find the "right" price for everybody that came into the sales gauntlet. One dealership we looked at actually made their sweatbox have a south/west facing window and they "broke" the AC vent going into the sweatbox. Saved this room for their most hardcore bargain seekers. Fun times to be had for everyone except the two schlubs stuck negotiating a few thousand bucks in the room.
Some salespeople out there aren't really fans of the (figurative) sweatbox selling approach, but they also don't last very long in that line of work selling cars. It's probably best for everyone's mental health for Tesla to come in and show what happens without the middleman in the sales process.
A TED talk about car sales is probably more exciting than a TED talk about how to read a NEM2-PS solar black and white PG&E bill. But the PG&E bill is more complicated.
The internet has made that entire process (the sweatbox, as you put it) mostly unnecessary for well equipped buyers. By "well equipped" I mean people with top tier credit who have their choice of their own or dealer financing, and understand how to craft an email that wont get ignored by traditional car dealerships that want to "give you the best price when you are in person at the dealership".
Back to Tesla, removing all that makes most people very happy. Almost everyone but franchise dealerships would be happy if that entire model was blown up. Even dealers themselves likely would rather make money on used cars and service, the internet has made it so a traditional dealer is not making a lot of money on the typical new car purchase, if you dont count holdback, etc.
There are those that think it will be cheaper, but the one thing I agree with you on, on this topic, is that it wont be cheaper. The last 4 BMWs I got for "several thousand" under "invoice" (quotes because I know how that game is also played), would all be MSRP. I also got buy rate on the lease financing, with no markup, but the average person who is leasing may not even know what money factor is, or that its marked up.
Not having a "finance person" whose job is supposedly to help process the paperwork, but whose real job is to increase dealership profit by packing warranties and such on your deal for "only 39.95 more a month on your payment" when I bought my model 3 was one of the most liberating experiences ever, in relation to buying a vehicle.
The tesla MVPA was like 2-3 pages, if that, not something designed to be confusing so that a dealer can make more money by packing stuff on it that looks official.
Of course, other car manufacturers want to do the same thing, because it would increase THEIR profit, not to pay holdback, or whatever, and just set a price and have people pay it. A manufacturer could actually make more money AND still offer cars less than what the current MSRP is for most of them, since they are selling cars to dealers with all this back end money (to hide actual invoice pricing, etc from internet savvy people).
None of this has anything to do with tesla energy, or really, tesla customer service, other than the model that tesla is putting forth works better for both them (more cash in their pocket) AND buyers (much less stress in the transaction, not much worry that jim down the street paid 5k less on the same car, yesterday).
Teslas failure on a lot of this stuff is the belief that everything can be automated, removing people in general from the equation entirely if at all possible. younger generation people want this, currently "people with the money" skew older, and still want human contact for this stuff.
Their refusal to hire "enough" customer service people stems from the "we will make it all streamlined and wont need as many people" approach that they have, which they have not quite succeeded with. Younger people are not interested in even talking to someone to buy a car, let alone negotiating, and would be willing to spend more money to avoid it.