I'm not PM'ing admins, we have global mods for such things now .
And what a funny statement "If someone is not answering to PM, that's mean no". Community deserves to hear detailed response in ban appeal topic. I think it will be honest way.
No one is entitled to anything. Plagiarism is also a very serious offense here, very few people are lucky enough to get unbanned if they are caught plagiarizing so it's best not to hold out any hope for that.