As a frequent purchaser of things on Amazon, I find much value in reviews and questions & answers, but I often see questions asked by potential customers answered with “I don’t know” or “It was a gift, I’m not sure”.
While you think people would be aware enough of the situation to not answer questions for which they don’t have an answer, Amazon could make one change to help with this.
Here’s an example message we product purchaser/reviewers receive when someone asks a question:
All Amazon would have to do is add another button: “I don’t know the answer”. Or have that be an option once they click that “Respond to question” button.