Simply don't trust such tools. Plus, as netmeg said, accuracy is in question. Data derived from such tools may take you to the wrong avenue.
Finally, with sneaking into other people's stuff, you'll never get good rest needed for your own stuff.
As it has always been on SEO side, importance of being different, not copying other folks, that may be the case in this part about advertising.
Just thinking...
But yeah, some of those tools are tempting... The one I mentioned even lists IDs of affiliates to tell you what they do online. Something I totally dislike from human's perspective. Sneaking into pal's Linkshare or CJ ID. Uuuu....