Adding one more will degrade rather than improve that. Notwithstanding all the downvotes, the author's comment (just above) seems to endorse my argument. I dis

Adding one more will degrade rather than improve that. Notwithstanding all the downvotes, the author's comment (just above) seems to endorse my argument. I dislike the captcha a lot, but I wish people would invest the same effort in attacking spam that they do in defeating anti-spam techniques. Spam and similar kinds of abuse are the bane of the internet but most people seem to shrug it off but declaring that a 'hard problem' so they can ignore it.