No it did not - she destroyed her competition in ratings...
When making a total fool of yourself, you want the audience as small as possible. She pulled a Geraldo and the vault. People will shut her out as a IT that cries wolf.
Maddow’s Tax Returns Show Beats All of Cable in Ratings
http://www.thedailybeast.com/cheats/2017/03/16/maddow-s-tax-returns-show-beats-all-of-cable-in-ratings.html?via=desktop&source=copyurl