Since then Intuit and others have been a powerful lobbying force against filing simplification for obvious reasons. In fact they are incentivized to make free filing as impractical as possible. The path to free filing is best described as an anti-funnel. Online tax filing systems are a field guide to dark patterns aimed against finding their way toward free filing. And why not? Tricking millions into paying for something that is ostensibly free is a great business tactic.
What we actually get is a resulting tax system which is purposely confusing to get people to pay for something they should be able to get for free already and which funds lobbyists to fight against changing it. Good for us.
Edit: found this funny. Turbo Tax's Encroachment strat https://www.documentcloud.org/documents/6483061-Intuit-Turbo...