Now, I doubt that the imagination can be suppressed. If you truly eradicated it in a child, he would grow up to be an eggplant.
He had grown up in a country run by politicians who sent the pilots to man the bombers to kill the babies to make the world safe for children to grow up in.
Primitiveness and civilization are degrees of the same thing. If civilization has an opposite, it is war. Of these two things, you have either one, or the other. Not both.