To give an alternative viewpoint, imagine an open-source project like React being built in GitHub. The code is built, reviewed and maintained by developers for

To give an alternative viewpoint, imagine an open-source project like React being built in GitHub. The code is built, reviewed and maintained by developers for free. When the project is out of beta, if suddenly GitHub says it needs to be paid for anyone to access it and says the new license also prohibits anyone from sharing it. That's the kind of behaviour that we are tolerating with academic publishers.