As I typed up the last answer, I wondered, what did TurboTax make in 2019 - and I found this interesting article: https://www.propublica.org/article/inside-turbotax-20-year-fight-to-stop-americans-from-fi[product k... An interesting quote from it is: "But the success of TurboTax rests on a shaky foundation, one that could collapse overnight if the U.S. government did what most wealthy countries did long ago and made tax filing simple and free for most citizens."
