Exactly; the Hackintosh community explicitly provides instructions on how to ensure the serial number you generate is not another real Mac’s serial number, but

Exactly; the Hackintosh community explicitly provides instructions on how to ensure the serial number you generate is not another real Mac’s serial number, but is “valid” for the model you need to emulate for your hardware. Otherwise this could cause issues with a real owner or the Hackintosh community, and is just acting in bad faith.