That's a question that's really hard to answer in the general case.
There are actually some really good YouTubers on some really niche topics. For instance I've found Rahul Nath's videos on Azure Pipelines to be exceptionally helpful: https://www.youtube.com/user/rahulnathp
Have you tried searching for content specific to the niche you're interested in? Chances are if it's a topic that's popular on StackOverflow and that's also visual in nature, there's a good Youtube video explaining it. If it's not visual in nature, the probability of your finding a good video decreases because video is likely not the best medium for conveying that information, which decreases the view potential and the incentive to monetize.
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That's a question that's really hard to answer in the general case.
There are actually some really good YouTubers on some really niche topics. For instance I've found Rahul Nath's videos on Azure Pipelines to be exceptionally helpful: https://www.youtube.com/user/rahulnathp
Have you tried searching for content specific to the niche you're interested in? Chances are if it's a topic that's popular on StackOverflow and that's also visual in nature, there's a good Youtube video explaining it. If it's not visual in nature, the probability of your finding a good video decreases because video is likely not the best medium for conveying that information, which decreases the view potential and the incentive to monetize.