You are a slave to many systems - labor markets, product markets, food markets - all of which are not controlled by you. You can be cut off "just like that" if

You are a slave to many systems - labor markets, product markets, food markets - all of which are not controlled by you. You can be cut off "just like that" if the powers that be choose to do so. In the modern world you simply cannot survive without depending on other parts of society. Given the alternative, I don't find this to be such a bad compromise.