This is the real story, in my opinion. The income tax code in the United States boils down to:
Here is a simple, large amount you owe.
You can reduce it by:
1) changing your behavior in ways we like
and
2) telling us everything about your personal and financial life
It's a disgusting invasion of privacy on a far far larger scale than, say, the PATRIOT act. H&R Block and Intuit are just leeches on the back of the tumor that income tax represents.