Yes but that level you see in the video is not something you can start with just knowledge. That is a huge investment of money out of reach for most. Especially considering the amount of electrical energy required that requires infrastructure too
Discussion
I agree, but I believe in underdogs small miners doing solo with their own node might have a chance at changing centralization. I post this for the information of mining. I am truly passionate about hardware and softwares like the BitAxe or NerdAxe.