It is worth noting that homosexuality is illegal in Papula New Guinea. So the Iranian and other gay asylum seekers heading for Australia are now in a real world of hurt ...
People seeking refuge from persecution because of [TRAIT] in a country where [TRAIT] is legally protected are being shoved out to a different country where [TRAIT] is persecuted.
(This is entirely orthogonal to the HDI issue, and arguably more significant because it completely undermines the fundamental principles of asylum based on respect for human rights. Put it another way: poverty and lack of development can be ameliorated systematic persecution is another matter entirely)