Or maybe Google is behind this. They created an icon within an emerging community where all the cool kids go, in the hope they will follow once he publicly converts to golangism

Yep, that's exactly the kind of thing Googlers spend their time on. /s

I think TJ works at segment.io, saw it on their team page when I was trying out the app.

Link? I couldn't find their team page from their website (which, assuming they still have one, is really disappointing).