It takes a long time to learn how to write code in this way. The current project I'm on is probably the antithesis of this. I wouldn't be able to figure out ho

It takes a long time to learn how to write code in this way. The current project I'm on is probably the antithesis of this. I wouldn't be able to figure out how to replace anything without rewriting at least 5 other interconnected bits. So my guess is that some people actually never learn this...