I haven't read the Haskell version (or at least, not more than a small portion and in a long time), so I can't comment on the comparison, but what did you find

I haven't read the Haskell version (or at least, not more than a small portion and in a long time), so I can't comment on the comparison, but what did you find insufficient about the "So what's Erlang?" section? I think it explains the benefits quite well, though I am someone who writes BEAM code for a living :)