> People use REPLs for more than "toying around and learning."
In all those years of Scheme, Ruby, Python, Haskell, Scala I have never used REPLs for anything other than tutorials or trying out something quickly.
> that Go doesn't have a good REPL
What makes you think that the Go REPL is not a good REPL? Have you actually tried it? Probably not, because you do not care as much about REPLs as you think do.
In all those years of Scheme, Ruby, Python, Haskell, Scala I have never used REPLs for anything other than tutorials or trying out something quickly.
> that Go doesn't have a good REPL
What makes you think that the Go REPL is not a good REPL? Have you actually tried it? Probably not, because you do not care as much about REPLs as you think do.