No you're just being a miserable dick.

There is a respectful way to give the same feedback.

You're sitting back and armchair quarterbacking and discouraging people that are trying to learn and build. There is absolutely a path for this project to decouple from YouTube over time. He's probably one guy that's self funded or barely funded going against one of the biggest corporations on the planet. Show some grace.

Give your time talent or treasure or at least be respectful or GFY.