Trigger warnings do little to reduce people's distress, research shows. Trigger warnings that alert people to potentially sensitive content are increasingly popular, especially on college campuses, but research suggests that they have minimal impact on how people actually respond to content. Source 3v.
Like the phrase said, "Curiosity kills the cat" and people nowadays just simply don't care. They have to actually face the consequences in order to fully understand what is it they're dealing with. So in other words, the responsibility is always up to them no matter how good the warnings are.