Very true. I was not really on the tech side, but often found myself correcting the code of some very expensive developers. Simple things, like not realising when things have been passed by value or by reference etc. Most developers lack the passion to be truly great at their work, because they consider it just a job. It's fair enough, but every so often you see a developer write effortless technical poetry with their code - they are a rare breed with innovation in their blood.