>My colleague, whom I liked a lot, was never going to get it done in time without help, so we all pitched in. I actually quite enjoyed it. I wasn’t really thinking about whether those changes were good for Twitter; I just really liked being part of that community, working together on a deadline. I even slept on a sofa in the office on Saturday night. It's not cool to paint pressuring employees to work long hours as a…
It's not only that it's "not cool," but the outcomes of long hours don't match the expectations. The concept of "more person-hours in, more productivity out" heralds from the days of Ford, and strictly applies to individuals performing rote jobs on a factory floor (to a certain degree): tightening bolt after bolt, painting the car hoods as they roll by, nailing two pieces of wood together, etc. Human biology is adept…
This feels like a really under appreciated point. If you overwork yourself for 10 years it's going to have nasty effects on you.