Isn't this the same escape Gokor was showing? Maybe I don't understand the phony remark about Renato. Rolled Up Episode with Gokor Around 7:20
He might be a brown shirt under Eddie Bravo, but he's a character. I can't even remember his real name, some actor who can't find work in hollywood, then started the Renato character as a good with Bravo that's now turned into this running joke.
it's back at brown and black level in ibjjf. this move is legit and not just vs the bicep slicer but it's useful anytime your partner is fucking around with that bottom leg - trying to pry your grip, set up the triangle, whatever. of course, you're in a shitty position and it's not magic, but it's certainly a legitimate option to save your ass.