> "I was up from 4 til 7 rebuilding the database -- you're welcome" and the ability to differentiate themselves without actually being competent at their jobs.

Some do this because it's in their nature. They don't spend their free time doing enjoyable, fulfilling tasks for whatever reason, so work is really the only form of stimulation they have. Older women without children (or adult children) seem to be particularly susceptible to this.