When does art become offensive?

When does art become offensive? I’ve recently come back from a visual arts workshop in Dubai (United Arab Emirates). One of the things teachers touched on was the impact of cultural context of what and how we teach art, and the need for sensitivity to that context, responding to it and on some cases working around it. Teachers talked about the limits on what could be discussed openly with students, and explained that some things absolutely could not be part of the visual ...