if it's not pro-gun control
then explain these intervie and article about how the movie is taking on the gun lobby!
http://www.dailymail.co.uk/tvshowbiz/article-3389629/Jessica-Chastain-s-got-America-s-gun-lobby-sights-Award-winning-actress-play-Washington-lobbyist-taking-National-Rifle-Association-new-film-Miss-Sloane.html
http://www.thedailybeast.com/articles/2016/11/25/miss-sloane-and-how-hollywood-plans-to-challenge-president-trump-on-guns.html
"Insults are the arguments employed by those who are in the wrong." J.J. Rousseau