A creative license can be a bitch. It prevents companies like Microsoft and Bambu from taking open source code private and can stop funny derivative works from being created by Joe Schmuck for fun.
You can still print all the boatys you want. You just can't remix them.
Few manufacturing processes allow you to customize and iterate on designs like 3d printing. Taking a design with such a restrictive license and making it central to 3d printing undermines the entire field.