This is the Google approach to scaling to thousands of developers: build rock-solid infrastructure so none of the code can go too badly, and you can worry a lot

This is the Google approach to scaling to thousands of developers: build rock-solid infrastructure so none of the code can go too badly, and you can worry a lot less about the quality of most of the code. For most functionality, writing amazing code would just be wasted effort when a less-amazing developer could have implemented something good enough.