Evidently some people just don't know what they can and cannot say here in print or even as a spoken word. I suggest that people educate themselves in regards to certain laws that protect people from slander and defamation:
Defamation act, 2006:
DEFAMATION ACT 2006 (NO 8 OF 2006)
An example:
School principal wins $80k defamation payout - ABC News (Australian Broadcasting Corporation)
Do you like to spead workplace gossip? here's what can happen:
Grandma pays up for pedophile slander