> Is it even possible to do as a licence? IANAL, but a license, can't, in itself, restrict anyone's rights because it is a grant of usage, and a more restricti

> Is it even possible to do as a licence? IANAL, but a license, can't, in itself, restrict anyone's rights because it is a grant of usage, and a more restrictive licenses is really a lesser grant. In the case of software licenses, the rights were already restricted by the claim of copyright. And that's generally the case: you give someone license to enter your home, which they were implicitly restricted from by your holding the right to passage about your property. The legal mechanism that lets you negotiate to restrict your or others rights is a contract, and that's completely different from a license.