News flash! Not everyone is a brilliant developer. And that's okay!
News flash! Not ever developer has extensive programming experience and can pick up new concepts quickly. And that's okay!
Go is too simple for you? Drink a big glass of shut the hell up and go write a program in brainfuck or something.
Intelligent programmers aren't dependent on the language they use to become better developers. There is no disservice in being able to build something quickly.
Part of the reason Go is so popular is because we place such a low value on education, training, and long term productivity, and a high value on getting things done quickly. In general our industry is focused on the short term, is fad driven, and is more than willing to turn on our own.
Go is a language created to win in this kind of environment. And because people hate the environment... they focus their animosity on the tools that are successful in our environment.
This "it's so simple!" nonsense is an exemplification of that.
By reducing everyone (even good programmers) to the lowest common denominator, talent is far more commoditized and pluggable. You can throw away Programmer A because Programmer B is "as good as it can get for