Just an update to this: MH has corrected its info on lounge access, the exec I interviewed for the article emailed me overnight to say that she was wrong about partner lounge access – from December 12, Business Suites passengers will not have access to Oneworld partner first class lounges (eg QF SYD), only to the MH First Class lounges (which in the case of KUL is losing the First Class Golden Lounge brand and being renamed as the a Business Suite Golden Lounge).