I won't argue that the whole system is stuck in the 20th century, but there is a little bit of "big companies and taxes are evil and I'm oppressed!" going on here.
I understand not everyone has an easy time with it. But today, 70% of Americans can file for free. Some version of optional auto-filing I have no problem with.
As far as a private company trying to protect it's revenue, there are far more egregious examples of that, out there right now.