No offense, but I think it's kinda strange that you would ask why before you actually looked at the link ...
EDIT: it appears the comment I was replying to was deleted, but it essentially asked Why and was subsequently edited with a remark along the lines of "I should have checked the link"
EDIT: it appears the comment I was replying to was deleted, but it essentially asked Why and was subsequently edited with a remark along the lines of "I should have checked the link"