The fact is even if traced it would end in 97% of cases with "(Home country)! You can't do shit!" While covering their asses by cooperating.
I think the original FAANG formulation had to do with fastest-growing stocks and now it's infected the discourse about the tech oligopoly. Other theories welcome.
Personally, I'm a fan of the acronym MAGA for the top tech companies, because that's the initials of the largest 4 (Microsoft, Amazon, Google, Apple) and they are Making America Great Again, with multiple levels of irony that your personal political views and historical knowledge can help you unpack.
I personally prefer the AppAmaGooFaceSoft over the ...BookSoft version.
Based on the fact that I can say the above with a small amount of authority, I think it's safe to say that I have read too much of your stuff.......
[1]The Blue Googles confirms that you used AppAmaGooFaceSoft as well. I prefer it and use it not infrequently.
If you fail to adequately police a mark, you can lose the ability to enforce it.
Disclaimer: although I am a former lawyer, I did not specialize in trademark law.