> Many programmers like solving challenges to learn and have fun

If you could choose between doing a contrived homework problem and learning something VS. creating something original and learning something, you should always choose the latter, hands down. Learning on the job or while you are solving a unique problem that you have is always preferred to doing a homework problem.

If you have the know how to create something original then this article isn't for you.

You overestimate the skill required to be original. Anyone who has the know-how to do ray-tracing, web browsers, and trading bots from scratch has a leg-up on the bootcamp coders who are getting paid $200k to work at Dropbox. Don't waste your time doing shit other people have already done. It's the best advice any of these kids will ever get, so I completely disagree with the associate professor who wrote the article. Take it or leave it. ¯\_(ツ)_/¯

You often get a lot of ideas when you build old things from scratch that can let you create novel things based on it. Knowing how to build it is not a substitute for actually building it.