Originally Posted by
garykung
Not exactly true. Since oneworld does not has a uniform guideline on lounge, basically each time a SL travel with CX, the SL will be entitled to use the lounge, regardless CX-operated or contract (For instance, BA in SFO and LX in ORD). In other word, SL's eligibility is based on metal, not location.
He meant that HKG lounge access by itself made CX SL worth it. And you cannot access a BA or AA lounge as an SL, the MPC website is very clear that SL only gets lounge access at a CX lounge when flying CX/KA.