A long time ago I saw an ad on the back of a magazine, paying tribute to Dell's direct model. It was a Johnnie Walker ad, with a bar napkin. On the napkin was written Dell's business plan; it had "make computer, sell computer" basically crossed out, replaced with "sell computer, make computer." Make the car -> sell the car Sell the car -> make the car This switch should have happened a long time ago. The near total e…
That elimination of the inventory system works great for cars produced locally. What of those produced overseas, or even on the opposite side of the US? Consumers can handle waiting a week for a car they ordered, but you can't just throw a car into the UPS cargo hold and deliver it to the buyer's doorstep a day or two later.
Most of Toyota's profit comes from just a few best selling models (that tend to be their best selling models year after year). That's where you'd start on this type of automation, and you'd invent new manufacturing technology accordingly as necessary.
The criticism I see most often on the concept, is that it'd be challenging because our manufacturing processes are pathetically ancient. I agree: it's time to move manufacturing into the future. It's not a question of if it can be done, it's: who is going to do it first.