They are not Abbott lines they are clear cause and effect statements. It is clear that you can not offer any practical alternative, so perhaps you should not comment on something that you have no idea how to do it any better.
Abbott's border security policies may have made some lives less comfortable, but it has also saved countless lives from drowning at sea.
Would you trade some lives to live in the first world instead of the developing world if others need to die? Well that is your suggested policy settings.
