If one assumes the content is sarcastic, it’s trying to point out that hey all these incredible big and successful entities support it so it can’t be worthless.

Problem is that if you’ve been alive awhile you’ve seen situations over and over and over again where things that important institutions valued very highly did in fact turn out to be worthless.

Just so.

(And it's a bit ironic to see crypto enthusiasts place so much weight on the opinion of the largest players in the traditional financial system!)