Netflix does matter to you if you are working anywhere near software in the Silicon Valley, but is just not in the same tier as the rest of them. The opposite for the missing Microsoft.
That's why the rest of the world uses GAFAM and not FAANG.
They are darker skinned than the rest of the population and the word itself is like a generic name for one of them. I guess it is some form of mutation of the Turkish word mangal which is something like barbeque or charcoal