Uber's thousands of microservices were not an architectural preference but a survival decision: under that growth only independent, unblocked teams could build fast enough to stay alive.

none of us wanted to go through that extreme but lots of time when you are under a lot of pressure and no time to react other than just to survive that scale that keep on coming at you, you have to make uh decision that increase uh speed and velocity because speed and velocity allow us to build quick enough to survive