Are we talking about the same Quora editor that counts all non-ASCII characters as two letters (because Unicode is just this passing phase—in the year 2016), and which accepts no Plane 1 characters at all? (Nick Nicholas’ answer to Will Quora ever support emoji?)
… No, OP. I don’t think “unfair” is the adjective you’re looking for.
Report the shortcoming, and a shortcoming it surely is. But, for all that text editors are in fact a solved problem, I can hear the familiar words of my Quora Jedi Master Scott Welch, ringing in my ears…
“Technical debt… Technical debt…”