Delete button?

I have been lurking for awhile and decided to register. There are many controversial and interesting threads here. Swimming is controversial, and seems to provoke a spirited debate. The pure entertainment value of such debate seems worthwhile too. So do we really have to "hit the delete" button before posting something potentially controversial about the sport of swimming? I read this advice in an "angel" post. Aren't we allowed to discuss noodling or TI -- provided we are not overly in love with ourselves or hurling personal lard bombs?