Let's not pretend that it's not obvious when a posting name, and by implication the user of it, are being mocked by variations on the posting name. Baiting goes along with the mockery. fauxno, should he wish to engage, could likely acquit himself well against one baiter, or, more likely, against a chatty gang of baiters.

Admissions by members of identity switching are not common, I take it, but we have one in this thread, without being provided the member name. So membership has its privileges.

When a member "GUEST" replies to a guest as "Guest," to which guest is the member "GUEST" referring?

The clause "what's fair for Guest to do is fair for Joe to do" needs explication.