mma training isn't cheap. The kid obviously has technique's and is only adding to them, and you can teach technique, you can teach work ethic, but what you can't teach, is toughness, and you can't teach to have a chip on your shoulder.
Most every champion in combat sports, grew up with a rough upbringing or some sort of hardship. Can't say for sure by the video but it looks like he comes from parents who have money, and can probably put their child in a safe environment, and good for them, but there's a kid who doesn't have someone who has high quality camera and knowledge to promote on facebook, the kid is just grinding and pissed off b/c he didn't have dinner last night, or he saw his mom get beat by her boyfriend, or he's mad his dad left when he was young.
That kid will not take shit from anyone. Fedor grew up pour, and look at what that chip on his shoulder did for him.