They had a ton of demand for them, but when the reality set in that stainless steel is a nightmare to align (sub 10-micron accuracy!!) and a nightmare to maintain, the car fell into the niche category.<p>How it got this far will be written about for a decade, a great example of not performing real world testing and validation.<p>You know somewhere deep in Tesla product people and engineers we're warning of the issues to come, but Elon had to have his Halo warthog.