If you look at this site, they are clearly encouraging people to click on the ads by misleading them!! See for yourself, http://www.trycanada.com/add_url_thank_you.htm
Yeah, it certainly seems to me like it's against the TOS. It's not as bad as it could be, though. Either way, I'm sure Google will catch on soon enough.
I believe everyone needs to make a living, they will get caughty by doing so in time, leave them to it! Its none of our business to be honest.