This must've been quite an old article, because lo and behold, nearly every single complaint on that page is being addressed with gusto by the Go community! Proposals on generics and error handling is well underway, and his complaints regarding GOPATH and the go get has been solved with Go modules.
EDIT: As I expected, the linked page is written on Feb 2018[1], things indeed have changed a lot since then.
EDIT: As I expected, the linked page is written on Feb 2018[1], things indeed have changed a lot since then.
[1]: https://github.com/grimoire-ca/bliki/commits/master/wiki/dev...