Also, please do not confuse abstraction with reuse. "abstracting things" has nothing to do with "making them from scratch". You're definitely conflating two thi

Also, please do not confuse abstraction with reuse. "abstracting things" has nothing to do with "making them from scratch". You're definitely conflating two things inappropriately there. I can write reusable code that has absolutely no abstraction in it, and I can write code based on an abstraction that is completely un-re-usable.