Rugles - 12:42 am on Mar 9, 2005 (gmt 0)
No, they are not looking for eyeballs. They are looking for the bots to see the links. The get a little Page Rank from the link. More importantly, they want the bots to see the anchor text. That is why the SE's recently recomended that blogs use the "no-follow" tag.
This blog spamming, guestbook spamming, log file spamming, link farms and drive-by forum spamming is all about the search engine robots and nothing else.