There are many many many things out there for me to watch or read. My problem is quickly determining what I want to watch or read.
Given something that I can spend, say, 30 minutes watching or reading something, I can do that in 30s for written material or 30 minutes for a video. I'm prepared to spend 30s, but not 30 minutes. So, how are you going to convince me that it is worth watching your video?
Note also that the subject matter should be best presented as moving pictures. Talking heads should be replaced by written words. Static videos should be replaced by still pictures. Do that and, unlike videos, they become searchable using google.