Heyo! took a look at the video, in general here's some feedback from a noob for whatever it helps.
1) Video is too long. I think you mentioned it yourself in the last segment. Unfortunatly us internet lurkers have a very short attention span, anything over 10 minutes (probably even over 5 mins) is bound to lose our attention. You had like... huh 10 examples I think? instead of a single hour video, if it was broken down into 10 shorts, and published at a constant pace, we would probably end up watching all of them, but as a single 1 hr video... that's asking a lot from the audience.
2) On regards to the content itself, the music is too slow, and the overall flow seems like it doesn't have a script in itself. While the ideas are there, overall it's a slow watch. Taking a book from other youtubers who do similar content, it would help to have some structure so people can jump to the parts they are most interested in.
3) Speaking of script, and also taking a note from other youtubers I follow as Marc, I feel the content needs to be a bit more "fun" so to speak. There's a certain art to retaining the viewer's attention. Using Marc as the example, note how he usually starts with something funny and attention grabbing, then has a few jokes sprinkled across the video. As viewers, we usually watch art videos to learn, but also to be entretained.
4) There's something to be said about too much content. It's hard to engage in a conversation when the topic left the table 10 minutes back. I don't think it necesarily means to "slow down" if you are on a roll and are trying to go hard at it, I respect a hard grind myself, but the rate at which it's shown to the audience needs to give them time to digest it. On this same point, I guess I would recommend on "storing" some material, and selectively upload and share what could potentialy get more feedback and engagement.
5) Last point, it's all about your objectives. If you are sharing because you feel like it, then there's not limit to what to do. But if you are looking for a specific response from the audience, may it be feedback, engagement, likes, purchases, etc, I would recommend to take a look at what others who succesfully do this, and imitate them. For example, if I want people to engage me in the same way they do to Marc's channel, I would aim to imitate his videos as closely as possible (not copy, but to replicate the structure and formula), as well as take notes of how he markets them (Timing, theme, etc, for example, note he has done fanart before, which grabs the attention of fans of that genre, or done some fanservicy things, which usually also grabs attention). Even then, there's no garantee that the audience response will be the same, but at least you have a product with the same points and can only improve from there.
Probably a bit too long, but as I said, I respect the grind, and I think you've been doing that a lot.
