Wait, there are people out there that don't know what you know? Sound the alarms everyone! These new generation of amateurs are going to ruin everything!
I think you’re overestimating the demand for people who can implement a binary tree.
Then again, when I used to work more with node, I would complain daily that those kids were just reimplementing solved problems in computing … poorly. I’m working more with elixir these days and everything is so fast that I’ve never stopped to dig into the implementation.