Not a gamer - so that point is moot. But when it comes to productivity - I've been using Linux on my workstation since 1992 and have still not ever slowed down.
Case closed on that one.
Not a fad - the C-like syntax and the raw speed makes me think that 4GL languages are finally becoming useful.
We will be building the future of the energy grid on Go programs running on Rasberry Pi's.