I think a big part of that is this mistaken idea that, if you duplicate a single line of code, you've done a terrible, terrible thing. Sandi Metz did a pretty

I think a big part of that is this mistaken idea that, if you duplicate a single line of code, you've done a terrible, terrible thing. Sandi Metz did a pretty good talk about this, basically saying we need to think more before we abstract things away because "code duplication". https://www.sandimetz.com/blog/2016/1/20/the-wrong-abstraction https://www.sandimetz.com/blog/2016/1/20/the-wrong-abstracti...