Apple should embrace this if the project is in need of reference materials.
Apple is a hardware company primarily, so if someone buys their hardware because it will be compatible with an OS they may like more, that's still a sale for Apple. No funds are lost, because MacOS doesn't charge for a new install on Apple hardware.
Apple is a hardware company primarily, so if someone buys their hardware because it will be compatible with an OS they may like more, that's still a sale for Apple. No funds are lost, because MacOS doesn't charge for a new install on Apple hardware.