Thats kind of the point, there's an idealized platonic form of a startup with 100 hour workweeks and open plan offices and pooled time off and no vacations ever.
Everything mentioned above has been researched and proven to be a dismal failure at actual financial productivity.
Therefore in a disruptive startup-py manner there are, on average, enormous fat stacks of cash to be earned by going against the idealized platonic form.
WRT successful, I think it unlikely there are many holders of BS degrees who didn't experimentally binge drink in college. I certainly did, till I outgrew that phase. That correlation does not imply successful earning of a degree, in fact the cause/effect relationship probably implies getting alcohol poisoning is anti-productive at the goal of successfully obtaining a credential.
So the battle is between the cargo cult crew, who think success is the result of better following the platonic form of the ideal startup even if its a dumb idea, vs the rebels who know based on research they'll on average make more money if they disruptively toss the idealized platonic form.
Is there a founder anywhere that didn't put in months of 100+ hour weeks? Or, to clarify, a successful founder?