Maybe but I've always preferred somewhere where you wipe your feet on the way in!! I hear also that you can't move for people barred from other establishments - Hey Ho!!
More a need to wipe your feet as your EXIT the CC - on account of the bullshit spouted thereabouts.
On the question of those "barred", quite improperly & in total contravention of the rules, well, not much you can say other than...............What Goes Around Comes Around