As much as I love interacting with the Demon Slayer community, I swear the worst of them are on the Demon Slayer subreddit, because I swear they either watch the show/read the manga with their eyes closed or just don't interact with it enough. Literally every other post is just 'hey, I noticed this potential plot hole here, why did this never get brought up', when it's resolved in one of three scenarios
It's literally perfectly explained in either a minor plot point in the story or a side series/book
Likely wasn't even intended to be a plot point or part of the story in the first place
Literally just thinking for 5 more seconds.
The picture here is how I think half the posts even come to fruition in the first place:















