I meant criminal as in immoral, not as in illegal. Obviously the government is going to declare its taxes legal.
> I'm not even going to get into the fact that it's not always wrong to force people to do things.
There are cases where it's OK to force people to do stuff, just like there are cases where it's OK to kill someone. But those cases are rare. Government employs force beyond those rare moral cases, and is therefore immoral.