The article makes a good point about reciprocal vs non-reciprocal licenses as opposed to permissive vs less-permissive. Freedom can be a contradictory concept,

The article makes a good point about reciprocal vs non-reciprocal licenses as opposed to permissive vs less-permissive. Freedom can be a contradictory concept, because the freedom to restrict other people's freedom is also a freedom, and thus may not be always desirable.