[tinyhouse]

It's less that 20 heads. The gross spend for each engineer is probably closer to $0.5 million annually. You can layoff 5% without any impact on the company and save so much more. A company like Uber ($130B market cap) isn't going to bother with building something internally to save $6M/year. The only reason to do it is improve efficiency that actually improves the user experience, which then we're talking about a big deal. Sometimes those things happen only because engineers don't have anything else to do and someone needs a promotion...