This video is ridiculous. He is complaining that charitable organizations and foundations devoted to the increasing awareness of serious global issues are spending their money on…increasing awareness of serious global issues… 
Billionaires are not inherently evil. They are humans like everyone else, some good some bad and some meh. Additionally Kurzgesagt is completely transparent on their funding from places like the Bill and Melinda Gates Foundation.
The Gates Foundation (and other organizations THO treats as dastardly evil cabals) does a hell of a lot of good around the world. That includes promoting science education by supporting things like Kurzgesagt.