Eh, that was the joke / genius of it.
I'm sure he got paid well over $1M to say "meh FTX" or whatever it was.
So it depends on whether you think "endorsement" is "taking money to associate yourself with a company by appearing on video in their advertisement" or saying on the record "I endorse this company, I use their products, etc."
Most endorsements are now in the former category, although it does seem like modern podcasts also have explicit ones in the latter category too