I'd say that some of the ads are somewhat pornographic, yeah. That said, I think it's fairly standard practice for anyone producing pornographic material, and more importantly anything which could be construed as pornographic, to get a release, just to be safe. In fact, people almost always try to cover their asses legally; companies doing "iffy" stuff often check to make sure it's legal first, etc. Thus, it's not clear that they know they are making pornographic ads OR that they think their models look underage, just from that evidence, even if those are both true.

As for the photos: like I said before, they don't look underage to me. I've additionally checked this with a few people in other age ranges of both genders, just to be sure I wasn't crazy, and the consensus was that they all looked like adults.

P.S. The "If you don't agree with me, you're <insert x here>" approach is a bit silly. I do like to consider myself pretty open-minded, though :)