Showrunner Matthew Weiner unsurprisingly derived that from how the business truly operated.

Weiner recalls how the treatment of Peggy and Joan inspired backlash.

People were like, This is awful.

Image

It makes me angry.

Your shows so sexist,' he says in a clip from episode 2, exclusive to EW.

No one said it wasnt like that.

In fact, people started coming out with stories of, like, its worse.

Jane Maas, a former ad exec and author ofMad Women, adds.

They succeed, and in return, Joan becomes a partner.

I think Joan did better than anyone did in real life, which is horrible.

See the clip above.The Real Mad Men of Advertisingpremieres on Smithsonian Channel Sunday at 9 p.m. ET/PT.