What is the timeframe you are using? To me "yonks ago" means 15-20 years ago.

And marginal ROIC is just one metric amongst multiple to benchmark against.

Also, if you had the Benoit [0] you should use your normal HN account instead of a throwaway created for this topic.

[0] - https://m.youtube.com/watch?v=-XWgoJT1xPU