This is a bit misleading. Those 100 work weeks are for workers on the business/finance side. Software folk are expected to work ~50 hrs / week on the sell side,

This is a bit misleading. Those 100 work weeks are for workers on the business/finance side. Software folk are expected to work ~50 hrs / week on the sell side, closer to 60 on the buy side. Source: I work at a large investment bank.