You're making an unsupported claim, and I'm curious about its truthfulness: because I don't know if your claim is true or demonstrable.
Nowhere in the the TED video is suggested that the symbols are a language.
She's not making that claim. You're not presenting the evidence required to support your claim.
That's no cherrypicking at all. You're making a claim that may or may not be fundamented on your definition of language. So far, the implication you're making is that graphic communication (the video's claim)
is language (your claim). If we accept your claim, as is, emoji is a language. So maybe your -so far unsupported- claim is in
need to go over what language is.
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It is symbolic meaning. Just not structured enough to be a language, but a precursor to them at best.
/yawn.