Comment by mind-blight

Because those other companies actively violated agreements they made with the government in the 2000 to offer those services for free. They regularly tricked people into paying and lost a class action lawsuit over it.

It's also weird that we have to file taxes at all. Other developed countries have their revenue agencies automatically calculate the taxes for you and send a return. The only reason we don't is because of Intuit and H&R Block lobbying like crazy to prevent this. It's rent seeking at it's worse