I think the channel is honest enough to say that they cannot guarantee jobs after completing the course or getting the certificate, regarding the low views, I don't think it's just an algorithm problem, but I think it's because there are few people who are really interested in the genre/type of video, so it's natural that the number seems very small.
I kinda agree with that, but it's hard to say if they are reliable enough for the average joe to refer to if they want to check out if a smart contract is shady or not. I guess you could say they provide the skill to do that, but that's an extra step compared to using the tools you shared in the OP. Maybe that's another reason why the views are small: people like instant things nowadays, and if a service is not instant, they think it's a waste of time. Even reading an article is a bit too much for some people.