> I have to wonder if this serves as a harsh criticism of Youtube That's not how I see it at all. The guy built a working helicopter from scratch watching YouT

> I have to wonder if this serves as a harsh criticism of Youtube That's not how I see it at all. The guy built a working helicopter from scratch watching YouTube; That's crazy (good). Even with structured learning he made the helicopter from scraps so it would have never been "safe" by modern standards. Plenty of other people died trying to fly their own device.