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"I don't know what's happening in Cupertino. Neither do you. What's making you so "aware" in ways that I am not?"
Being a systems, hardware, and software engineer for many years in Silicon Valley for a handful of both large and small companies.
If you want to believe Apple's "emoji implementation team" and the group that handles the Mail application are the same or share responsibilities and compete for resources, please feel free. I think more knowledgeable people who work in tech in this area would have a good laugh, though.
But you're not in Cupertino, so you don't know by association just because you've worked in Silicon Valley. Your guesses are as good as mine.
By all means, please bring over some more knowledgable people from the area for a coffee and a chat so we can all laugh together.