Knowledge shall be free and unbiased by authority. Free access for everyone to knowledge and healthy scepticism produces miracles. In India, for example, lack of restrictions and tolerance to every opinion produced, besides thousands of sects and cults, the best philosophy this world have seen so far.<p>The site, it seems, is a part of natural social movement, similar to FOSS, rather than paid content piracy. It is against restrictions.<p>When some parasites are trying to construct a paywall then society sooner or later would find the way around it, be it knowledge or any other form of digital content - selling an output of the sendfile syscall by those who haven&#x27;t produced anything would never been tolerated, it violates the hardwired notion of fairness. Especially when one assumes that these papers has been written to spread knowledge and contribute to scientific community (a-la contrubution to open source), not to make money by selling copies - it isn&#x27;t a paperback.