Agree. They own the company, success or failure is on their name. A 2-person team on brink of failure doing week or two of 18-hour days to rescue the business (and reputation to lesser extent) is reasonable to me.
By contrast, salaried folks with no equity should not be cranking out those hours, IMO.
By contrast, salaried folks with no equity should not be cranking out those hours, IMO.