It is their decision to take advantage of it. Moreover, most of these companies did disseminated and promoted half-truths and falsehood about how much people will earn and what costs are offloaded. When you knowingly manipulate people or lie to them, you have no business to complain when someone else comes in and talks openly about you not being truthful.

People criticising and blaming companies eager for taking advantage of either naive or uninformed people is how the economic system becomes less vulnerable and how people learn what to be careful off. Openly criticizing these companies is how next workers become informed about traps like this.