[sidarape]

> creators have rights that can not be removed (not even voluntarily) before that.

Doesn't that defeat the purpose of licenses? The principle of a license is exactly giving up rights on copyrighted work.

[pgeorgi]

The purpose of work contracts doesn't rule out any laws that prevent you from signing up as a slave...

(the comparison is appropriate because that non-revocable subset of rights in Germany's Urheberrecht - and other European countries and probably elsewhere - is based on a notion of human rights)