The most basic ethic or morality is to
not harm others.
As far as a "work ethic" - well, if you are not providing for yourself and your personal brand of family, then there
is harm taking place: both those who are neglected and those who are having to step in and pay the bill that you should be paying. Of course, no one is required to live a certain lifestyle - maybe the whole family is happy living in a teepee.
If the long-haired pagan is managing to provide for his nine wives and 39 children without stealing either individually or collectively, what is the problem for a "free" society