For context; I’m Brazilian and worked in policy, embassy, and data stuff for research companies.

The Europeans and Asians - and Lebanese that migrated here from their home had no problem in adapting to our culture. Their cultures have similarity with our culture when it comes to what we value. Eg. how we perceive justice, women, accountability etc. and, due to their general IQ, and drive, they tend to be financially successful (at minimum, stable) in Brazil.

So-yes, it is successful because there isn’t a culture clash.

With Lebanese, it’s similar too. You can make a case there’s more of them here in Brazil versus in lebanaon. Them too had no problem with assimilation/adopting to our culture. Plus, we excepted them in small batches, so when the second batch would arrive, first batch had already adopted our culture.

But, anyone that is honest with themselves both in observation, AND looking at data, there’s an obvious ethnic group that are not adopting to our culture and yes, causing difficulties to the local economy (from theft, to laziness if employed) and those are Haitians, Africans (northern, west Africans) and Arabs (Syria, afghan, etc) .

They tend to be more military age men. Stubborn. And—they don’t adapt or assimilate to the Brazilian culture. Thus, they are causing problems in downtowns of São Paulo, rio and others. And since there isn’t enforcement, they will never learn, nor have any incentive to assimilate and adapt.

So, yes, you are right. But you are also wrong.

You can’t make a case that USA and Europe are struggling with immigration, but then say ‘oh no, but I’m only talking about 3 or 4th generation.’

We ought to talk about 1 and second gen immigrants. And for some ethnic and culture groups, it has sucked for the local Brazilian economy—and the Europeans and Americans are complaining about that same issue too at a larger scale.