Possible Duplicates:
Don't allow people with very low accept rates to ask questions
Should users be discouraged from asking new questions until they've accepted a certain % or deleted old unaccepted questions?
What is more irritating than somebody who has asked 50 questions but only accepted 2 answers.
Why can people repeatedly ask questions whilst having a low accept rate? Is it a bad idea to prevent a user with an accept rate under 10% from asking questions?
Why is it possible?