The other thing is various other companies built pretty much what Tesla was promising like the Rimac Nevera and the Yangwany U9, showing it was quite doable if Tesla had put some enthusiastic engineers on it and said go do it?
Their ~mission was cheap cars for masses. There are plenty of high end EVs out there. It's nuts when smart people compare 7 year old 35k Tesla to a brand new 80k Polestar or 100k Lucid.