He's just baiting people. Just report it and ignore it, it's the best thing you can do. People that pay attention realize that trans people have existed to an extent for a very long time and in tons of different cultures around the world. The one thing that this person's group of people try to do is be loud, vocal and seen to try and bring in anyone on the fence that may not be as learned or educated by simply being seen while also spouting false information as if they're truth in as many places as possible knowing you'll come in and defend it with logic, which takes much longer than a copy/paste slogan and saying from him.