No, she doesn't mean heterosexuals. Because most heterosexuals don't have a problem with LGBT+.
She means bigots. She means that she expects tolerance and respect for the bigotry, so that she can continue to tell people being LGBT+ is a sin and bad for children or whatever.
It's an argument in bad faith.
I want buttons with two sides, buttons with multiple steps, I want buttons on buttons! Give me buttons made of shirt buttons, one button, two buttons, red buttons, blue buttons. BUTTONS!