The present tax income is much better than eliminating it all. For some, only a few, think it would be better to eliminate it all. But that would affect everyone else in a bad way. Think of it like this, if the government is able to find a way to make dealing with taxes easier for everyone, they would have done it by now. Tariffs are to protect newly established domestic industries from foreign competition. Our money helps protect our goods. If we lower or even eliminate taxes, we have more of a likely chance of something bad happening.
Like the activists of the African American civil rights groups, their goal was complete racial equality. The main difference between the two movements was that some supporters of Black Power were prepared to use violent methods to achieve these goals.