Don Draper, John Hamm’s suave protagonist in the dearly departed series Mad Men (2007-2015), didn’t so much as work in advertising as embody the field. At an instinctive level, he understood that aspirations wrapped up in objects need to be made tangible, and that advertising is a means to that end. The Draper home, then, was a central part of the man’s riddle. It wasn’t a showroom—no home ever is. Carpets don’t stay white forever. But if it wasn’t simply there to sell its contents, it was still there to sell an idea or a lifestyle or—failing all that—the man himself. That…