The whole discussion fails to point out that there were also differences from the sources of immigration inside Italy.
Most immigrants to the US were immigrants from southern Italy, which began to industrialize later.
In Brazil, most immigrants were from northern Italy, which was industrializing earlier. Veneto, Trentino, Lombardia, etc.
There was also a difference in immigration pattern between immigrants to São Paulo and southern Brazil.
Immigrants to São Paulo mostly stayed in the city, which was already catching up with Rio de Janeiro in population and importance, or in coffee plantations, while immigrants to the brazilian south were making their own settlements and having their own land.
While italian immigrants to coffee plantations in São Paulo were probably being mistreated, in southern Brazil they were owning their own lands and creating their own cities and companies.
Moreover, even in São Paulo, the situation was probably not as bad as the propaganda in Italy made it seem.
Many italians in São Paulo were not only becoming successfull as also quite rich. While in NY at the beginning most rich italians were associated with the mafia, in São Paulo, by 1927, the Martinelli building, São Paulo's first skyscraper, was built by a rich italian immigrant.
And while NY had the powerful Rockefellers, São Paulo's most rich and prestigious family in the first half of the 20th century were the Matarazzos, also from Italy.
https://en.wikipedia.org/wiki/Count_Francesco_Matarazzo
"At the age of 26, when Italian emigration to Brazil was widespread, he moved to the city of Sorocaba, São Paulo with his brothers, wife and children. Initially he sold oranges and lottery tickets and shined shoes, reinvesting the proceeds in new businesses, eventually including plantations of tea, coffee, corn, rice, rubber and cotton.[1]
In 1890, he moved to São Paulo and with his brothers, Giuseppe and Luigi, founded Matarazzo and Irmãos. He diversified its business and imported wheat flour from the United States of America. Giuseppe took part in the company with a lard factory in Porto Alegre and Luigi with a deposit-warehouse in São Paulo.
War between Spain and Central American countries made it difficult buy wheat flour and he obtained credit from the London and Brazilian Bank to build a mill in São Paulo. From there, his business expanded rapidly to a total of 365 factories[citation needed] throughout Brazil. The conglomerate became the fourth largest in the country and 6% of the population depended on its factories in São Paulo.
The Gestapo spy Hans Wesemann reported that:
An entire fleet sails under his flag. Tens of thousands of workers toil in his factories. He makes cement, cuts down trees and turns the pulp into paper, on which he prints his newspapers. The public drinks his beer and watches films in his cinemas. He contrives to be both wealthy and popular and when the president of Brazil visits Sao Paolo, he calls upon Matarazzo first.[1]
In recognition of his financial and material assistance to Italy during the First World War King Victor Emmanuel III conferred the title of Count.
Matarazzo died in 1937 after an attack of uremia. At that time he was Brazil's's richest man, with an estimated fortune of 10 billion U.S. dollars