They know full well who they are and referring to them as "you people" is a tad better than collectively referring to them as "you twats"

I have no idea, termibums. Enlighten us. Do bear in mind that Keith was talking about people who say they know something about the history of WW1. Who do you mean by 'you twats'? Remembering of course that either you or Keith have already determined that abuse is only used in the absence of reasoning...