Originally Posted by
billdokes
I appreciate it has been the rule forever, but why? And I know from personal experience it can cause confusion and a negative experience for someone who doesn't know the ins/outs of codeshares, especially between AC/UA. The other point I'll make is, would it kill them to end the distinction and just make it more seamless for the pass giver + the pass receiver?
Star Alliance generally cares about operating carriers, whether it's lounge access, mileage earning, or whatever. Why should they change that philosophy in this one place? Restricting pass usage to AC metal is much simpler than getting people to understand the vagaries of codeshares.