Off the cuff thoughts that even if one didn't care about the transphobia there's enough other bigotries in there as well. Body shaming, ethnosupremacy, """ethical""" slavery, eugenics that justify the villains, weird internalized misogyny the movies wallpapered over."
There is no ethical consumption of Harry Potter. And not in the usual "no ethical consumption under capitalism" way. In the "your fandom is now comprised of hate symbols" way.