Hmmmm are they nutters well lets look at the evidence, if you can answer yes to more than one of the following then beware.

Do they hae opinions?
Do they frequent strange sites (anything to do with folk :))?
Do they hae ideas that arny yer own?
do they ever deserve a guid skelp on the lug?

oh heck i'd better stop an book masell intae Cornhill :)