Copilot and the like are good for Go, because you can generate all the boilerplate code they make you write. As for the success, it's obviously the minimal set

Copilot and the like are good for Go, because you can generate all the boilerplate code they make you write. As for the success, it's obviously the minimal set of language features, conformance to established paradigms, not being very broken and being backed by Google. There's a ton of suboptimal choices in Go, but overall it can work for many applications.