We may be getting of-topic but address this part: &quot;or giving away for public good&quot;, in this case for public good and someone performed a work for whatever was gave away; in the same line favors most of the time are a social contract of&#x2F;for enhancing relationships with someone else; by reduction to absurd you can&#x27;t do it endlessly, because it has a cost and someone has to pay it.