What does this mean for historical context to logic and ultimate Exxon Mobil vs. New York State case precedent?

Is there a false claim in there?

Leaked Study Shows Exxon, Partners Overspent by $138 Billion https://www.bloomberg.com/news/articles/2022-09-23/leaked-study-says-exxon-partners-overspent-by-138-billion-on-oil-gas-projects