All it takes is 2 "trusted" members to report you and the bots remove it appeals are often a waste of time and points. Some suggestions, If you haven't done so, edit you info so your questions and answers are hidden that way it makes it harder for trolls who enjoy reporting violations or presumed violations to stalk you. Also, avoid pages with controversial subjects such as religion, homosexuality, racism, pornography, any hatred, downloading movies or music etc. Avoid anything that may be remotely considered illegal Don't give smart, flip or sarcastic answers nor use any profanity and if you believe you are being stalked go to other categories. You might also consider changing your avatar and i.d.
Yahoo will not give any specifics when a question or answer is deleted.