"session etiquette" is just supposed to be a handy way of summing up "common sense, good manners and consideration for others". All of which include newcomers paying respect to the customs of the place, and regulars paying respect to the needs of newcomers.
Yes - Figgy Duff is still remembered in Harlow. Unfortunately I missed the occasion when this strange bunch of Newefoundlanders suddenly emerged and shook everyone up. Send us some more.