Just because you really want to create a great product, why does it follow that you should work 7 days a week? What is this SV obsession with haste? If your bus

Just because you really want to create a great product, why does it follow that you should work 7 days a week? What is this SV obsession with haste? If your business won't be as valuable if you bring it to market 28% slower than you were planning to, maybe it sucks. Or maybe there's some other aspect to this trend I'm not seeing.