It's unrealistic & impractical for Ihub to determine what qualifies as a "lie". If you feel someone has "lied", you can counter with information that refutes their point. TOS has enough latitude for posters to make their points without getting "personal".
"It is easier to fool someone, than to convince them they have been fooled."
For those that don't get it, it means that people need to be more careful, and do good due diligence.