Answer:
I believe that the quote means that a question should be properly examined and argued instead of answering a question without critical analysis or examination.
Yes, I believe that there should be a rebuttal for something I disagree with as this is simply bringing an opposing argument to what was originally presented. A rebuttal is important when we are trying to disprove something we do not believe in.
This relates to the idea of survival because to survive, one must question things he does not believe in.