Don't forget the multiplier on how many more internal systems a company has vs its external ones. It's not uncommon at all to see thousands of engineers at a la

Don't forget the multiplier on how many more internal systems a company has vs its external ones. It's not uncommon at all to see thousands of engineers at a large company working on internal-only systems, covering the full gamut of every need of a large corporation. Hell, even just the facilities management systems for the office spaces are complicated.