As an AdSense publisher I think it's sneaky and doesn't benefit the advertisers or the publishers. I've shared my thought in this thread [webmasterworld.com] on the Google AdSense forum, but I think advertisers' perspective here or in that forum would be beneficial.
I just don't see how leads that are the result of tricks, ignorance and confusion (I consider this technique relying on a mix of user ignorance and confusion and exploiting short user attention spans) really "qualified leads" in that I suspect they convert poorly. And even though Google apparently allows this now (they've addressed other loopholes over the life of AdSense though) if it becomes common place I suspect that user and advertiser perception of AdSense will take a hit (and I already know where some advertisers stand). Paranoia, accurate insight or something to brush off?
If we start to get a lot of garbage traffic where the converion rate isn't there, then we will stop paying that source.
The last thing we want are page displaying Adwords that appear to be "internal" or "suggested" links. Sure, I agree that Adwords should sit nicely on your site, but not to the extent of fooling people into clicking when they will leave at once.
It's certainly something I am looking at - are people coming through Adwords staying and looking, or do they leave at once?
