MacOS is derived from Darwin but heavily modified and now closed source. While GPL is copy left, BSD has no such requirement so you can effectively make your derivative OS closed source, which NeXT and subsequently Apple did.

Doesn’t this contradict GPL? Since Android was built on top of the Linux kernel.

In a nutshell Android uses Linux as it’s base so I don’t believe they could make it closed source, where Microsoft Windows, like Apple MacOS, have always used their “own” kernel allowing them the flexibility to keep their software closed source or source available.

I’m quite shocked Elon would implement a policy that is counter to the purpose of twitter… As controversial as it is, doomscrolling is probably twitter’s biggest busines