I really like this site
Background
I am not a writer. The story's here fill a large part of my days (heart and lungs don't let me do much)
and no i am not transgender. however i do like a good story. one of the tools i use to find one is the comments left by others.
rant start
If you want to pick a story apart fine.
Look at the header tags
Fiction is the form of any work that deals, in part or in whole, with information or events that are not real, but rather, imaginary and theoretical—that is, invented by the author. Although the term fiction refers in particular to novels and short stories, it may also refer to a theatrical, cinematic, or musical work. Fiction contrasts with non-fiction, which deals exclusively with factual (or, at least, assumed factual) events, descriptions, observations, etc.
Fantasy is a genre of fiction that commonly uses magic and other supernatural phenomena as a primary plot element, theme, or setting. Many works within the genre take place in imaginary worlds where magic and magical creatures are common. Fantasy is generally distinguished from the genres of science fiction and horror by the expectation that it steers clear of scientific and macabre themes, respectively, though there is a great deal of overlap between the three, all of which are sub genres of speculative fiction.

In popular culture, the fantasy genre is predominantly of the medievalist form, especially since the worldwide success of The Lord of the Rings and related books by J. R. R. Tolkien. In its broadest sense, however, fantasy comprises works by many writers, artists, filmmakers, and musicians, from ancient myths and legends to many recent works embraced by a wide audience today.

Fantasy is a vibrant area of academic study in a number of disciplines (English, cultural studies, comparative literature, history, medieval studies). Work in this area ranges widely, from the structuralist theory of Tzvetan Todorov, which emphasizes the fantastic as a liminal space, to work on the connections (political, historical, literary) between medievalism and popular culture.

So if the above tags are there then any thing goes and only has bearing on our current reality if the writer wants it to. if you don't like the way they describe the setting or way things are done fine ,make a suggestion . If you think it should meet standard practice for your reality then go read a text book.
Another thing to remember is at one point it was believed that the world we live on was flat and the heavens revolved around us.