I don't understand this. Literally every single person who has ever trained grappling even once in their life has tapped. It's literally not possible to not tap when you're training, especially when you're new. Khabib himself has tapped over tens of thousands of times in his life. McGregor is a bum and should have rematched Aldo and gotten his ass kicked but that's a different story. Why do these guys call him "McTapper"? Everyone taps. Literally every single fighter that you have ever watched has tapped numerous times in their life. It's just a thing that happens when you train fighting. I don't get it.