Imagine if you paid for a book and there were appendices about characters or something extra, but written in a language you didn't know. It would kind of suck.
Edit: As a side note, these comments seem to be the internet equivalent of:
A: =~#$())##~
B: Sorry, what was that? I couldn't hear you.
A: Nevermind, it's not important.
Which I think most people would agree is incredibly rude and dismissive.