PFF ran a 3-month case study: 2 engineers vs a team of 10 The 2 shipped 5 times a day The 10 shipped once every 5 days https://youtube.com/watch?v=VMemhtlsoNk Output weighted by ticket complexity: 10x. Customer satisfaction went from around 7 to 8.6 out of 10 CTO @mikespitz_uk explains what it actually took.