You don't need taxes for roads or electricity. In the same way we don't need taxes for grocery shopping, or education.
Workers indeed show up and make things run, but only because they voluntarily chose to agree to a contract where that is their duty. If they don't like the terms of their contract, they can not take it, renegotiate their current one, find a new one, or take on risk and start your own income. You can't "accidentally" fall into a job.