Earlier quoted context omitted.
But that doesn't change the fact that most people use them snd like them, and there is not much technical disruption. They just chose practicality over purity.
Most people (me included) like funny cat videos and send funny cat videos. Shall we include some to Unicode? I mean, this ship has long sailed, but that was a mistake nevertheless. Not everything has to be a unicode character.
For example I could see there being an emoji for keyboard cat.