It's less that working at a FANG produces better devs and more that FANG can afford to be picky and so having worked there is a sign you passed a high hurdle once.
Kinda the same idea as having Harvard or Stanford as your alma matter. Most schools will teach you most of the same stuff, but those universities only take the "best". If your idea of "best" is similar, you'd take that Harvard also liked the person as a good signal.
Kinda the same idea as having Harvard or Stanford as your alma matter. Most schools will teach you most of the same stuff, but those universities only take the "best". If your idea of "best" is similar, you'd take that Harvard also liked the person as a good signal.