You are supported by the social systems that surround you. They aren't conjured out of thin air. But if you don't want to support them in turn, then you are hardly being forced to. Just move somewhere else. There are a lot of cities in this country.
This is the problem. There is this assumption that taxes are used to care for the destitute. Absolutely, some amount of taxes do go to that end.
However, I've worked enough government contracts to know that the vast majority of that money goes to providing middle-class incomes for people in government who otherwise would not be making that sort of money because of a distinct lack of intelligence, competence, or diligence.