The Alliance has many laws governing what is permissable with regard to cybernetic enhancements.
For thsoe who are not able to have cloned body parts cybernetic enhancements for limbs, organs, etc are permissiable. However, there are strict laws governing the use of cybernetic enhancements in the brain.
Cybernetic enhancements are illegal in professional sport.
The former Alliance held territories in the Cyber Cluster broke away over the arguements about cybernetic enhancements in the first decade of the Alliance. Those who have lived there since have been cybernetic organisms.