There is a burden, and a huge one at that, to the rent-seeking industry.

If there's a free and authoritative easy way to file taxes, then there's no reason for people to pay for unnecessary third party services who earn ALL their money by imposing themselves between the taxpayer and IRS. They will fight like bastards to preserve their privileged position.

https://www.propublica.org/article/how-the-maker-of-turbotax...