There's lots of positive things to cover. He made a video 2 weeks ago about tourism, his first ever as far as I can tell, and there's plenty of interesting things a general Youtube audience could learn about how money flows around in the context of tourism. But he chose to instead talk about "The End Of Budget Tourism", believing (perhaps accurately!) that a negative framing would help get people to click on his video.

YouTube is ruthless in promoting clickbait headlines and thumbnails where it's someone's face with a shocked expression and an attention grabbing byline. You don't play by their rules the algorithm will bury you.

Content creators are a slave to the algorithm. It's so easy for Google to just not show put your video on the feed, even your subscribers. That's why every video looks the same now, if you refuse to play you don't get views.