"Some of the engineers really cared about system performance types of things, so they joined related teams. Some started working on automation [for testing], an

"Some of the engineers really cared about system performance types of things, so they joined related teams. Some started working on automation [for testing], and they thought that was great—that they didn’t have to do the same thing over and over." There is still QA, it's just automated QA. Welcome to the 21st century.