Biondi Bollocks on The/A Flood at Giza

Italian boffin Filippo Biondi says that the Great Flood, the so-called "Zep Tepi", and the Giza pyramids are all connected. He told US podcaster Joe Rogan that "seawater salt" still stuck to the walls inside the Great Pyramid proves the entire area was flooded thousands of years ago. That same salt is the evidence that ties everything together with the mythological "first times" (Zep Tepi). "Two months ago, I went for the first time to visit the pyramids, and I found salt on the wall" and he said that this is proof that the entire area was flooded, which he suggests is supported by the fact that the shafts were flooded and filled with debris. This would mean that:

the pyramids were built sometime between Zep Tepi and the Great Flood, which could push their age back dramatically. The salt on the walls is ocean salt from when the sea rushed in over 11,000 years ago and filled the shafts with debris [...]. This changes everything we thought we knew about ancient history

. It further convinces me that this guy has some kind of mental condition that requires him to come out with firm "statements of fact" for purposes of self grndisation and attracting attention.
Salt is present in limestone and desert conditions for other reasons than an otherwise undocumented marine transgression.

Neal Sendlak ( @Gnosisinformant, May 21) and I are of the same opinion:

It's hard to tell if this guy is completely out of his mind or just a complete fraud who knows there are really stupid people in the world who will buy into his crap.