Many movies exist about a lone inventor in a garage having a eureka moment, but almost none about manufacturing, so it’s underappreciated by the public.

Compared to the insane pain of reaching high-volume, positive-margin production, prototypes are a piece of cake.
https://twitter.com/elonmusk/status/1773451340548870364?t=IpSFoPSbp-_nrvtELUeNGg&s=19