There is always a heavy demand for fresh mediocrity. In every generation the least cultivated taste has the largest appetite.
I doubt if a single individual could be found from the whole of mankind free from some form of insanity. The only difference is one of degree. A man who sees a gourd and takes it for his wife is called insane because this happens to very few people.
Let it be understood, in the first place, that a science fiction story must be an exposition of a scientific theme and it must be also a story.