Or building the inspection equipment that could determine if my new hull material was breaking down with every dive towards an inevitable disaster I've been warned about by many different people.
It's incredible seeing the late CEO talking so much about how this and other super deep subs were built by amateurs as the reason he could conceivably safely build the Titan. Completely ignoring testing like this or that the Chinese sub was built by a government design bureau. They were projects headed by excited amateurs for sure but they were going to exceptionally traditional engineers to implement their ideas.