[glangdale]

Well, some of the ways they are not treated well seem to be sailing pretty close to the wind in terms of Australian labour law or are outright illegal. It's also pretty hard to imagine these services being remotely workable without a steady supply of "students" who are in Australia supposedly earning degrees but in practice are a giant pool of cheap labour. You can make various libertarian quibbles about both Australian labour and immigration rules, but not everyone wishes to subscribe to your libertarian newsletter....