" a total disregard for safety of both his customers and his workers"

At least in the case of SpaceX, they do not seem to be as reckless as you paint them. After 20 years in space industry, they have 0 fatalities on record, which is uncommon for a corporation of this size and history.

And they scrub launches whenever they are concerned about weather or anything off-nominal that their sensors indicate. Which led to an excellent safety record for Falcon 9s once the technology matured.