Greta Thunberg is a hero of mine, but one thing she doesn't understand is how there may be some world leaders who want to help more, but are restrained by the realities of their political situation. It doesn't help to mock them so much in this speech.
Still, voices like Greta Thunberg need to be heard in this world. She's done so much to bring the attention of the world to climate change. Like me, she's on the autism spectrum, identifying her herself as having Asperger's, calling it her "superpower".