Shows like Glee have an impact.
Gay characters at record high on U.S. television
http://www.reuters.com/article/2012/10/05/entertainment-us-glaad-idUSBRE8940FA20121005
And this is from 2012. I imagine it is worse now. I refuse to watch a show with homosexuals. I don’t watch much TV anyway, but I know a lot of shows promote homosexuality.