Comment by SamInTheShell

To the concurrency/threading; no? (there might be an "it depends situation somewhere idk about)

But Go itself comes with it's own runtime built into the final binary. It doesn't work well in some use-cases, I mentioned some of the draw backs in a couple other comments if you want to dig those up.

Also I saw some of the other comments. Channels are ultimately just used for message passing and aren't that complicated. You also can use mutexes or some other locking pattern. There's some primitive atomic structures available that solve some use-cases preventing you from even have to having to really deal with working between goroutines.