On a more serious note, I do think it’s probably related to group identity (or described as “tribes” in popular media) that explains it.
A large project using their language of choice (Go in this instance) gives external validation that their tribe is growing, and thus having made the correct choice to join it.
A large project using their language of choice (Go in this instance) gives external validation that their tribe is growing, and thus having made the correct choice to join it.