Schemaless
Static typing in OO languages isn’t the solution to software complexity, rather it’s an enabler of it. Static typing is like giving a drunk a bunch of breath mints and saying “Don’t drive drunk. But if you must, use these breath mints in case you get pulled over.”
I’m still trying to make sense of a world gone schemaless. I love ducktyping in python, but a ducktyped database? Blasphemy! Beautiful, beautiful blasphemy!