When in a rental situation, one gets all kinds of personalities, cultures (especially with the migration issues happening today), differing mores and cultural rules. Expectations from one culture to the next are not always equal.
I think the OP has a valid point regarding the habits of some migrant renters. We see it everywhere these days, migrants turning parts of America, Denmark, 'Britland', AUS, Germany....et al into slums.
Taking a course in Cultural Anthropology is most enlightening, if one has not had the opportunity to do so, it is incredibly fascinating. Another to take is World Religions - in depth angle.
It almost seems as if: "You give them (today's migrants) an inch and they will take a mile.." is rampant.
Migrants are either not educated OR do not want to educate themselves on their host culture, want to hang on to it and impose their values on the hosts, if you will. If the host wanted the other culture, the host would have moved there? Therefore it would behoove anyone visiting a country to act as a guest and not some "Ugly American" and we have seen plenty of that! Is disgusting.
American mores dictate that immigrants are welcome anywhere they behave as guests, until they learn and behave in a way that others are not thrown into turmoil, disrupting American society per se.
A host county is just that: a host. Until one becomes welcomed by behaving to that host country expectations and rules of entities within that culture, the migrant is simply a guest and should behave as such.
The reason I listed several countries in my previous post
@January is that I, like many in the military community am well experienced with mores, values, behaviors of those other countries and the differences are clear as day and night. For example: some countries don't enforce littering or trash dumping as their culture (sometimes) has people who collect trash off the streets for a "living"? Puerto Rico is a fine example; Mexico another. And not ALL parts of one country are the same...people from different parts/locales have different cultural mores.
Cultural mores, norms and rules are guidelines that dictate how people should behave and interact with each other within a society so that members of society know what the expectations are and so everyone thus gets along. Society becomes difficult to manage if people do not subscribe to mores, norms and rules/guidelines which create civility, getting along smoothly.
Mores are important moral norms and customs considered highly important in a culture. Mores are strict and if one breaks a more it is serious and could lead to very negative social or even law consequences.
Cultural rules is a broader realm of societal expectations, things that can be broken without great social backlash - depending on the host.
A Japanese more is the expectation that elders should ALWAYS be respected.
I think what the OP is feeling is overwhelmed by those who are not choosing to follow the expected AUS cultural mores, norms/rules. Often migrants to America, NE Europe, Japan are ignorant of such, or do not care/want to adapt to the American or host culture.
Best policy is blend in, make friends, then demonstrate your own customs. Don't walk into a country and expect open arms when you act like a pig.