sparkee

It is real and NASA does use it.

https://science.nasa.gov/learn/basics-of-space-flight/primer/

Many people in The US who are trying to save for retirement attempt to have fewer dividends since that becomes taxable income. They would prefer just a higher stock value and pay the taxes later when presumably they are retired and in a lower tax bracket. That premise is probably good but you never know how the government is going to change up tax rates in the future.