Chaya Raichik has 1.7 million followers on Twitter alone. She is regularly cited by major news organisations. I hardly think you can say only a small percentage of people think the way she does. And more to the point, the size of her influence means she can paint narratives that persuade people to think the way she does.
She devotes almost 100% of her time to highlighting only the most extreme, deranged elements of the LGBT community. Now, to be clear, those elements need to be highlighted. There are some very worrying things happening at the fringes. But she presents those fringes as if they're the whole community.
This is the process of dehumanisation I'm talking about. It doesn't need to be a call to open genocide, narrative building is by far more effective than bald-faced attacks.