Scott Simmon states that "profanity can remind us of the power of words convey intense emotion". The power released through profanity causes the receiver to understand the seriousness of the situation. Whether angry or hurt, the use of profanity adds that extra power or force to help get your point seen, heard and most importantly understood.
Profanity can be used to show authority. Whole Simmon explains he chooses not to use profanity around children