I looked at it, and it is very good: good baselines, explanations, visualizations and going deeper than a typical "it is a black box but if you copy & paste it will work".
> Standard Chartered has over 3 million lines of Haskell code
Not exactly, they have their own closed source fork of GHC, which is strictly evaluated. Given that the codebase is proprietary it's unknown what other differences there are beyond having dumped lazy evaluation. It's a Haskell-like language, but far different than the Haskell that the public has access to.
Funnily, that doesn't work as expected on OS X due to a rather old version of sed installed by default that doesn't support \s. Try the following instead:
https://www.economist.com/britain/2011/08/06/how-the-west-wa...
https://www.wired.co.uk/article/graphcore-ai-intelligence-pr...