Testing in production happens. This is for example the best practice at SpaceX or at Tesla (FSD, Robotaxi, Unboxed designs, etc), and I think these people sleep

Testing in production happens. This is for example the best practice at SpaceX or at Tesla (FSD, Robotaxi, Unboxed designs, etc), and I think these people sleep very well. Yes, of course, some rockets may explode (almost 10 soon), or some people may have accident, but that's ok from their perspective.