Steve, you contrasted these two statements,
Slander and libel is not acceptable but, not being a legal expert, I cannot comment on whether such an act was committed.

You do not need to be a legal expert to recognise an unsubstantiated accusation.

You should have contrasted these three,
I cannot tell whether any allegation made on here is substantiated or not.

There should be sanctions and consequences for anyone who attacks a member with gratuitous, unsubstantiated accusations.

You do not need to be a legal expert to recognise an unsubstantiated accusation.