Maybe you want to learn some Go, and you're reading HN to hear about new and interesting Go projects. Maybe someone will gain a great understanding of things by reading the sources for this project, and end up doing something else creatively inspired by it.

Maybe its just a fun new way to read HN, at first, but later you think ("mm.. wish it had blah feature"), and .. being a super-shart Go developer, you remember 'ah, its in Go, I can fix this..'