GROUPS RULE : NO POSTING INVITATION TO JOIN OTHER GROUPS !!!

GROUPS RULE : NO POSTING TO GROUPS " INVITATION TO JOIN OTHER GROUPS " !!! WHY ??? THE ANSWER IS IN THIS PARABLE : FOR EXAMPLE YOU ARE THE CHIEF OF THE COMPANIES AND IN THE MEETING ROOM YOUR STAFFS POSTINGS " INVITATIONS TO JOIN OTHER COMPANIES " !!! WHAT WILL YOU DO ??? OF COURSE YOU WILL KICK THEM OUT !!! UNDERSTAND ???