Every one of the Facebook companies is a household name with hundreds of millions of users. The same cannot be said for the Alphabet companies aside from Google.

YouTube and Fitbit come to mind

Both are subsidiaries of Google, not Alphabet.

Chromecast Android ChromeOS

I think Oculus is much more similar to Stadia than something else too.

Additionally, all of those platforms you mention du the same thing: chat and share pics.

You listed three Google products. Those are not alphabet companies. No one is trying to say Google is smalltime. Rather the point is, “Meta as an entity is comparable to Google, not Alphabet because it’s Units are Interesting”

I listed 4 actually, all with their OWN household name with plenty of users.

Under the Google umbrella or alphabet is the same. Just like under Facebook or Meta.

Nobody cares about the exact legal construction of those products. Plenty of people still say FANG, where it's short for Google and not Alphabet.

Nice nitpick, but you obviously mispositioned your initial comment by putting the emphasis on household names and not on the legal structure, which is a strange argument fyi.

Oculus does not have hundreds of million users.

You prefer MAAAN?

While I'm doing a low-content post, here's a tangential fun fact: the Latin sequence "gn" (as in, say, "magna cum laude") was pronounced with the G nasalized. If magna were rendered in English spelling, it'd be "mangna". (Or, well, "mongna".)