I think the company and its deal are fine — I've been on Slickdeals for decades, and it passes my smell test — but you might be having trouble with aggressive marketing tactics. I didn't have any problems myself, but then, I'm using Firefox with a combination of uBlock Origin, Ghostery, NoScript, and Dan Pollock's famed hosts file.
http://someonewhocares.org/hosts/
Every link I click on is just another rabbit hole. Love the graphic, but I have my doubts about the validity of the site or the offer.