Your comment indicates that you may be an idiot or perhaps easily influenced by an idiot. Love him or loath him Nick Krygios is as much an Australian as anyone and the idea that "we" have a choice about keeping only the ones "we" like is a bit like suggesting you are barred from being an Australian for being of obviously low intelligence.
FWIW my understanding is that Nick Krygios comes from a very well grounded Australian family and I would expect that they will help him through what is clearly a disppointing effort by him at in recent days.