ELI5 - Why shouldn't I use hardlinks?

I have Unraid setup with the usual *arrs, torrent and usenet downloaders. I have my media storage shared and mounted on a separate Plex Box.

I have the *arrs set to create a hard-link to another, more organized folder (also in order to keep seeding the torrents.)

My very basic understanding of hard-links is that they are two separate pointers to the same inode(?), allowing me to have a nice organized library folder without changing the actual download name in the download folder.

I have seen several mentions in Discord of turning off hard-links, but I don’t totally understand the reasoning. It sounds like it creates some sort of issue?

Can someone explain why I shouldn’t be using them and also, how then I should be handling downloads?