Those "pornographic" images undoubtedly exists on articles like Sexual intercourse and other articles concerning human sexuality and sexual acts.<p>In light of the context in which images has been placed, there has been nothing pornographic about it.<p>Even so, I am not sure what irreparable harm can be done to kids accidental catching a glimpse of human sexual reproduction. As long as adults respond appropriately to the potentially misleading information that porn has exposed kids to, any harms that is done is prevented.<p>I would be far more concerned about my kids visiting actual hardcore porn sites rather than reading mundane scholarly wikipedia article about human sexuality, benefit/harm to society, STDs, and other such useful information.