I see, thanks. It reminds me a little of those spam emails which are sprinkled, intentionally, with obvious spelling errors. They aren't trying to trick the average person, they are trying to filter for a much smaller, more valuable audience.

fwiw, I don't think that was intentional here. He's just more interested in "ideas" than prose or people. A more extreme example of Andy Weir. Definitely a niche. I read it years ago while backpacking and it perhaps needed an editor but the overall struggle/war and reimagining of logical fallacies of the HP universe's magic were fun.

yes exactly. Fan fiction readers largely do not care about grammar or nice prose, just has to not be overly distracting which unfortunately most fan fic fails at