There has been a class war going on for at least four decades in the US, and the lower classes are on the loosing side. All you have to do is look at growing wage gaps in that period. We can come up with all sorts of just-so stories, but the simple answer is that the rich have captured the US government, and it is being governed primarily for their benefit.
https://www.sentencingproject.org/reports/mass-incarceration...
While the population of the US has gone up by ~1.6x during that same period.
Seeing as convictions aren’t spread evenly across income brackets, a poor person’s chances of being in the carceral system outpacing population growth by a factor of ten doesn’t really jibe with the whole “there’s never been a better time to be poor” thing
https://www.census.gov/data/tables/time-series/demo/income-p...
There's a link below the tables to a PDF that describes the definitions and methods used.
Oh, also communism, Marx ideas were a catastrophy for Eastern Europe. Greetings from my vacation in Bucharest