💯 Income differences between different professions are inescapable in a free society, since it is the customer that ultimately pays for wages.
The problem for the working class is the corrupt fiat moneyprinting scheme that results in ever higher costs of living and a faster spinning hamster wheel.
Wealth on a hard money standard opens up prosperous ecosystems that benefit local communities with jobs and economic stability.
The upper middle class house requires a range of human work from architects, vehicle operators, builders, carpenters, electricians, plumbers, to furniture designers, interior decorators, piano builders, artists, sculptors, libraries that require books, to maintenance workers and possibly pool cleaners. Add the demand for various types of tutoring and musical lessons.
To this can be added the variety of small or medium companies or freelance endeavors launched or made possible with proper funding from the middle class.
A society without these additional job opportunities is absolutely less well off.
