Hi pandapop! I'm glad you asked :o) While we do allow some poll questions like, "What's the best beach for surfing on Oahu??" - which require opinion based answers that could be helpful to others - we still do not allow poll questions like "this vs. that", "true/false", "yes/no" type questions or those that elicit low quality answers like, "What's your favorite....? or "What should I name my puppy?"
While those technically are "poll" type questions, they still serve no purpose other than for people to post random or chatty answers.