You do -- in your space. If you'd like to hang out in our spaces (as clarified above), we have some simple guidelines to follow. If you want to, for example, form a group where Django is discussed using language inappropriate for general channels then nobody's stopping you. We respect your right to establish whatever codes of conduct you want in the spaces that belong to you. Please honor this Code of Conduct in our spaces.
Excellently written answer to deal with the torrent of complaints spewed by man-children at the requirement they be considerate of others. "My free speeches!" and "How dare you censor me?" and "But what about my get-back-in-the-kitchen and make-me-a-sandwich jokes?! You've killed comedy!"