I thought the Merc tour was
open to everyone? How come I heard that someone was refused
boarding?
Indeed the tour is open for everyone. However, if you
are the organiser, and you already know in advance that, that
someone made a lot of noise and nuisance at another tour that has
happened recently, and the majority of the guests in the tour that
you have organised disagree to have him on your tour, and you do
not know what that someone will do in this tour, would you
go for to invite the person or would you go for it to ban the
person as a preventive measure?