Ok. I re-read your post and now I understand you do not know the difference between profit and profit margin.
You asked why water companies don't make 3B/day. It's because it's a renewable resource and not finite, and easier to extract. Therefore the value of water is lower due to abundant supply.
Now if fresh water becomes scarce, and it is, costs of desalination will increase the price of water and water companies may have revenues high enough to have 3B/day in profits. But know that AWK, one of the largest water companies has a 30%+ profit margin, even in a regulated industry.
Now, if you look at the other industries you mentioned, you would see that they too have profit margins in the 30's and higher. Energy is typically in the lower tier.
Updated 4/21/2023 Gross profit margin is one of the three main margin formulas in a company’s income statement, which measures a company’s efficiency in creating profitability. Gross profit margin, or “Gross Margin”, is basically how profitable a product or service is before you account for the...
einvestingforbeginners.com
If you want to focus on profits per day, as the headline highlighted, there are other industries, like technology, that dwarf that 3B/day, that have much higher margins. And I would argue in 2022, technology is just as important to society as the other industries you mentioned.