Are you making a moral argument, or a legal one? If legal, what country?
The "idea of an internship" is experience and networking if you're the intern, recruiting if you're a smart company, and free/cheap labor if you're a dumb company.
The "idea of an internship" is experience and networking if you're the intern, recruiting if you're a smart company, and free/cheap labor if you're a dumb company.
"Among those criteria are that the internship should be similar to the training given in a vocational school or academic institution, that the intern does not displace regular paid workers and that the employer 'derives no immediate advantage' from the intern’s activities [. . .]" https://www.nytimes.com/2010/04/03/business/03intern.html