I never said these things were problems. I only brought them up because the article doesn't even mention them, or type safety at all. It is one thing to have c

I never said these things were problems. I only brought them up because the article doesn't even mention them, or type safety at all. It is one thing to have code for an example or for an introductory paragraph, but it should be mentioned that `interface{}` is not totally "safe" .