If that was my point, it would be a great answer.
However my point is not against the usage of emojis to convey linguistic meaning, like that. (It’s a bit pointless, but at least you’re saying something through the emojis.)
Well of the three usages:
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graphical echo (“I saw a cat today 🐱”)
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mood/attitude particles (“I wish I were just a cat 😕”)
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ideographic usage (“I saw a 🐱 today”)
The echo is almost certainly the least useful.
When overused gratuitously, it can be funny (NSFW examples included)!
That overuse feels a lot like a fourth category. It’s almost meta-, as if using emojis to parody emoji usage!
I’m not sure if it’s usage for echo or as mood particles makes me roll my eyes the most. Perhaps echo, too.
Are you a linguist? Fabulous descriptive capabilities you have there.
More like “ability to remember vocab from uni times” (My second grad included Linguistics, although I don’t work on the field nowadays.)