Thanks, Sheldon. Here's an exact breakdown of the $53 per hour figure: https://bettermarketing.pub/how-i-earn-53-per-hour-on-youtube-aed5821da95c

The short answer is that I don't make YouTube videos 8 hours per day! I also run a photography agency, work as a photographer myself, and write here on Medium, among many other things. But if I did spend 8 hours per day making videos, I'm confident my earnings would rise in tandem with that increased output.