I feel like the Go devs optimized implementation simplicity early on (likely a sensible choice given Google's "one giant repo" workflow), and that has resulted

I feel like the Go devs optimized implementation simplicity early on (likely a sensible choice given Google's "one giant repo" workflow), and that has resulted in some not-insignificant ecosystem complexity later (for others not using "one giant repo" workflows). It will be interesting to see how this plays out in the longer term.