Maybe if the "favored class" Americans took the bus or went to the laundromat like I did for years they'd want poor people to do well too.
You're making two assumptions: (1) There's a favored class, and (2) The favored class does not want poor people to do well. Both assumptions are wrong.
Yeah, it's not as if America is like some episode of 'Star Trek' where one group of a planet's inhabitants consider themselves superior because their skin is of one particular hue, and historically have used that as an excuse to exploit and oppress the other groups.
You're making two assumptions: (1) There's a favored class, and (2) The favored class does not want poor people to do well. Both assumptions are wrong.