> The hackers decided to build GNU/Linux and other open source operating systems. Copyright law wasn't used to prevent adversarial interoperability back then.

> The hackers decided to build GNU/Linux and other open source operating systems. Copyright law wasn't used to prevent adversarial interoperability back then. It does now, which is why you can't build alternative clients anymore unless you're out of reach of the US legal system (and even then, good luck getting it onto any app store since again, there are now gatekeepers to merely _installing_ software on one's machine).