The Quora text editor does not support ANY Plane 1 Unicode characters: characters whose 5th digit is 1, not 0. For example, U0001f60f. Emoji are included in Plane 1. So is Gothic: Nick Nicholas’ answer to Will Quora ever support emoji?
It’s not, I would contend, targeted at Emoji; that’s just a “happy accident”.
But these Plane 0 dingbats, I’d argue, are Emojis:
⏱ ☃☹☺☻♨⛄⛱✊✋✌
And they render just fine.