1. It's thinking your country is superior to every other, which is both deluded and proud.
2. It inhibits critical reflection on what is good and bad about your culture.
3. It's selfishly putting what is good for me and my country above what is good for humanity.
4. For Christians it forgets that our citizenship is in the Kingdom of the Lord Jesus.5. It means that Aldi can make money selling cheap and tacky Australian flag merchandise and people drive around with those cringeworthy plastic Australian flags on their cars that they got free with their carton of beer.