However, I have started to hear rumors that wannabe's are bypassing this requirement by becoming employees of CX in other positions before applying. Anyone shed light on whether this is true?
I highly doubt it... Training is the reason why an HKID is required. Coming from another department in the same company does not make it any difference. Note that it is not simply an HKID, you need to be a permanent resident; either be born in HK or have lived in HK for 7 years after getting an HKID card