this is a fun exercise. but I saw it a lot of times in big companies where people are too afraid to make changes. where also the open-closed principle comes fro

this is a fun exercise. but I saw it a lot of times in big companies where people are too afraid to make changes. where also the open-closed principle comes from. something I don't like anymore in practice. because one has to get away from the fear of breaking things to maintain clean code, and clean architecture.