Isn’t it fitting that Greta should hail from a nordic region, more-or-less the homeplace, I think, of trolls and other things nasty, like Ragnarok. What is it that brings them out whenever she gets a post or mention on social media.
This article makes clear how much nonsense is being spruiked about her. The real issue of course is that this is fundamental denialism. Discredit the messenger in order to discredit the message.
See also this post by me.