What cultural faux pas should I try to avoid making in Cork?

"It is important to be mindful of local customs and traditions when visiting Cork. It is considered impolite to talk about religion or politics in public, so it is best to avoid discussing these topics. It is also important to be respectful of the Irish language, and to avoid using derogatory terms when referring to Irish culture. Additionally, it is important to be aware of local dress codes, and to dress appropriately for the occasion. Finally, it is important to be respectful of local customs and to be mindful of the local environment," remarked another expat who made the move to Cork, Ireland.