Comment Image/text only ads (Score 5, Insightful) 184
This wouldn't be an issue if they could only serve image or text only ads. Possible image based exploits can easily be prevented by re-saving the uploaded image so that the image only contains valid content.
But no, ad farms want to provide functionality to reach maximum annoyance for the users. You can blame Java all you want, but it's not the source of this problem.