WOW. Australia Day. This is going to cause debate!, page-48

"So...... can someone fill me in, when did it become super trendy and cool to berate the country who were born in and live in?"

jeffl, I reckon it was back about when it became fashionable to change one's name including one's surname from that of your father to that of Karl Marx's father therein and thereby, in one fell swoop, eliminating one's sense of belonging or national identity and simultaneously, incidentally eliminating one's eligibility and credibility to cast an opinion on the meaning and significance of "Australia Day".

https://en.wikipedia.org/wiki/Jack_Marx
Jackson Gregory Marx (born John Marr, 1965), known as Jack Marx, is an Australian journalist and author. He was born in Maitland, New South Wales and is the second ...

National identity is one's identity or sense of belonging to one state or to one nation.
It is the sense of a nation as a cohesive whole, as represented by distinctive traditions, culture, language and politics.
National identity may refer to the subjective feeling one shares with a group of people about a nation, regardless of one's legal citizenship status. National identity is viewed in psychological terms as "an awareness of difference", a "feeling and recognition of 'we' and 'they'".
The expression of one's national identity seen in a positive light is patriotism which is characterized by national pride and positive emotion of love for one's country.
The extreme expression of national identity is chauvinism, which refers to the firm belief in the country's superiority and extreme loyalty toward one's country.