You are basically right, but when you are talking about a website that is designed and promoted as a sales catalog, you have to be more open to the notion that is OK to have advertising. Unlike a movie, commerce is the visitor's reason for going to the site.

In all these subtle ad cases, anti-ad people can avoid the ads, and people who honestly don't care will ignore the distiction and click the ads. How much coddling can we insist a site do for its mentally-laziest non-paying users, possibly acting against their willingness to view ads?