Ok I retract my tests comment! Design patterns can definitely be abused and pragmatism is important when deciding whether or not to use them. I would say thoug

Ok I retract my tests comment! Design patterns can definitely be abused and pragmatism is important when deciding whether or not to use them. I would say though that implementing SOLID is certainly achievable if writing from scratch but harder when refactoring code that breaks those principles (usually badly with no tests or poor tests).