Because Intuit wouldn't make money if that happened. https://www.propublica.org/article/inside-turbotax-20-year-fight-to-stop-americans-from-filing-their-taxes

Because Intuit wouldn't make money if that happened. https://www.propublica.org/article/inside-turbotax-20-year-fight-to-stop-americans-from-filing-their-taxes-for-free https://www.propublica.org/article/inside-turbotax-20-year-f... https://priceonomics.com/the-stanford-professor-who-fought-the-tax-lobby/ https://priceonomics.com/the-stanford-professor-who-fought-t... (and lost)