Any individual or corporation is free to donate directly to the US General Fund, which is where the vast majority of tax revenue goes: https://www.treasurydirect.gov/govt/resources/faq/faq_public...
In the meantime, I need as much of the money that _I earned_ as the gov't will deign to let me keep. Why? None of your damn business, that's why. I earned it, let me save or spend it as I please, without even more of gov't sticky-fingers rooting around in my damn pie.