People should feel free to ask any questions they want on here. We are supposed to support each other an new people may not know how to use the sites yet. I know I didn't know how to search for things when I first started, and sometimes you would like to know the answer to something specific.
If you don't want to answer a question that has been asked before, just don't answer it. Let someone else answer.
This forum is all about support, not making new people feel guilty for asking questions, they dont know if a question has been asked before.