Isn't any product featured on that show basically a paid advertisement? My wife would occasionally watch it, and I recall seeing them show off clothing all the time (complete with models parading in front of the camera.)
I did a little freelance on the magazine side, putting packages together to show the fashion labels what coverage the magazine was able to get. I have know idea if this cost extra or it was more of a incentive to purchase bigger ad buys in the magazine. This was nearly a decade ago, but at the time I don't believe the morning shows were paying labels or the fashion consultants, it was more of a quid pro quo.
It is really very well done if you consider it objectively. The show that is itself loaded with inlined advertisement is also able to sell traditional advertisement time in its segment breaks.
But in my own opinion, shows that do that sort of thing need to be nuked from orbit, and the glass broken up with jackhammers so that salt may be plowed into the dust underneath. I simply cannot abide the ubiquity and intrusiveness of advertisements in the current culture.
While advertisers don't explicitly ask media companies not to run negative segments, they can book a large commercial inventory and incentivize as much.