[xh-dude]

I still like channels because they may be a net reduction in the number of concurrency primitives in use, which complicates quantification in the paper - their taxonomy is great, though. Channels have some sharp corners.

[za3faran]

Reducing the number of concurrency primitives does not imply reduction in complexity. On the contrary in fact, I've seen the messes created by golang in large production systems. Here's a good article: https://www.uber.com/blog/data-race-patterns-in-go/