Why isn't there a non-profit doing this work? If this is as big of a deal as people claim, surely a non-profit could have written a free tax filing app and jus

Why isn't there a non-profit doing this work? If this is as big of a deal as people claim, surely a non-profit could have written a free tax filing app and just made it available to people? Does TurboTax have any kind of regulatory moat / AT&T style monopoly?