>>536509719
Nah, the term came from Tumblr.
Also these people are all using the term wrong anyways. "Heteronormative" isn't saying heterosexuality or hetero dynamics are bad. It's the assumption of heterosexuality as the default.
For example; certain movies or TV shows can be critized as "heteronormative" because all the characters get paired up into straight couples by the end-even if they had no chemistry-, because the showrunners assume that it's how things should go. It's when a work of fiction forces a straight couple for the sake of reflecting one's real life views of heterosexuality at the cost of good writing.