Yeah someone should’ve told that to Donald (Knuth)
/s
For those who don’t know, Knuth implemented the typesetting system TeX just to make sure his book’s typesetting was correct.
You can pretty much only innovate when you reject the blackbox and decide to make a better one.
Otherwise you’re likely implementing something you could probably get off-the-shelf, which is ok, but also something that you could just… not implement.