An income tax means that the state decides how much of the fruits of my labor I am allowed to keep. Our federal income tax is, in large part, a complex system of legalized plunder where money is taken from the people who have earned it and used to pay some of the bills of those who have not earned it through government programs. If private individual or groups did this it would be illegal. Under an income tax, politicians can buy votes by promising those who vote for them new or bigger programs that other people would be forced to pay for. They could say, “Other people are not paying their fair share of taxes”. The income tax is the 2nd plank of Marx & Engels “Communist Manifesto”. Our Founding Fathers did not support a direct tax on individuals because it was detrimental to individual liberty. They favored tariffs which are a consumption tax. A sales tax is a consumption tax. Less force is used to collect it. https://nccs.net/1996-03-answers-to-americas-tax-problems