This Autocar article is an excellent example of the resources available in a traditional automaker.   Tesla has nowhere near the depth and breadth as Audi in any particular area of design and production.  Tesla is failing simply through Musk’s hubris but one shouldn’t feel sorry for him because as he pumped up the stock, he has handsomely profited from it as he sold over one billion USD in equity just last year.

https://www.autocar.co.uk/car-news/industry/audi-reinvents-design-and-manufacture-processes-ahead-ev-launch