It's almost as if the tech-interview process, supposedly designed to prove that someone actually has studied and internalized mystical knowledge about inverting trees, can be gamed with a bit of effort and actually isn't a reliable approach!

(that said, bootcamp grads and other people who were self- or unconventionally-taught, in the sense that they don't have CS degree, do seem on average to be better than the people who have CS degrees, probably for the reasons the article gets at)