Why do people respond massively to superficial questions?

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By no means I intend to categorized the persons who post the questions as "superficial", since I have no way to establish such a statement. My sole intention is to get to know the community of mylot. I have a couple of months participating in this forum and I have notice how people in great numbers respond to this type of questions like "Which vegetable you like the most" to cite an example, which I have seen been asked a few times, and still people respond in significant numbers no matter how many times the question is been asked. Other types of questions that get quite an attention are the "Sarcastic ones". Of course there is a wide array of themes in this community, but people seems to be more interested in "superficial facts of life" Maybe I have a bad perception on the subject, because I have not kept the records to prove my opinion but surely to me it looks like!