If you think PragerU or ReasonTV are "extreme right wing" content, respectfully I think you might be lacking perspective. I would describe PragerU as mainstream within the conservative sphere. Their presentation is almost always high-quality in terms of production, respectful in its delivery, and even-keeled. You might disagree with the content (or their values), or find factual errors, but it is easy to find flaws with a wide range of content producers on the left as well. ReasonTV is even closer to center, and is near-right libertarian, and definitely not extreme right.
As for your experience with recommendations - I am not sure why you would not see recommendations similar to the videos you like. I see videos from multiple ideologies regularly and get content recommended from all of them. I haven't had my feed dominated by one side. What I think is happening is that people _notice_ videos that incense them, and incorrectly perceive it as being dominant when it truly isn't.