A better analogy than the printing press, would be synthesizers. Did their existence kill classical music? Does modern electronic music have less creativity put into it than pre-synth music? Or did it simply open up a new world for more people to express their creativity in new and different ways?
"Code" isn't the form our thinking must take. To say that we all will stunt our thinking by using natural language to write code, is to say we already stunted our thinking by using code and compilers to write assembly.