You asked people to rank the movies. Asking for an elaboration, as Yanks has, is not an unreasonable request.
However, if you, as the thread-starter, intended to belittle or mock any rankings which are not in accordance with your own, then perhaps you ought to have been more up-front about that in your opening post.
People are going to have different ideas about stuff. Let them. If you ask politely—as if you're sincerely interested in learning about their reasoning—they may even explain why.
If you're not interested, why make a thread like this in the first place?