In some countries the government calculates the (simple compared to US) taxes and all you do is approve it. That would be possible here too for most people, but

In some countries the government calculates the (simple compared to US) taxes and all you do is approve it. That would be possible here too for most people, but neither politicians (of various stripes) or Intuit wants anything to change. Only the US turns paying taxes into the equivalent of Quantum Mechanics.