Understanding the product is often important, but equally often it is something you can delegate to others. It's only the younglings that think intimate knowledge of the product is the hallmark of a great leader, because that is the only thing they themselves bring to the table.
Is it perfect for everything? no. Is it the fastest compiled language out there? no. But, it'll do most things very well, and for me that's good enough. I choose go because when I need to make something, it steps aside and lets me build, and for that I have great respect and appreciation for it.
I will be defering all detractors and negative comments ;)
Coming from Java, I find the standard lib very small. A case in point is the collections library: arrays/slices, map, list, ring, and heap -- that's about as minimal as you can get.
[0] https://www.baidarcenter.org/en/wp-content/uploads/2022/06/8...
And why is it unique to Go? I am sure there are comments on HN about metal oxidization, making sharp changes in direction, Norse gods, and letters of the alphabet.
Whereas the first 50 golang hits are all about the language.
You might have your preferred approach, but there are good reasons for using golang.