I could be a good option for an older Captain who's financially secure and sick of ULH and HKG. If still with the first wife and the children have left home then the pay cut is manageable. For someone towards the end of their career who's achieved the wide body command in a major airline and already seen the world several times over, slowly winding down to retirement while flying for beer money might be an attractive proposition.
Need to take into account the high hours and multi sector days though.