Capitalism is a word, at best a euphemism for moral relativism, and clinging to it is succumbing to sunk cost fallacy.
It prescribes billions must kowtow to a minority who are average people granted political and education advantage.
Read the well curated history; capitalism came about when some rich educated guys in the 1800s realized religion was dying, and needed a new social control scheme and decided a few slogans about honest work being worth a buck would be easily understood by the lesser educated laborers.
Human ingenuity and engineering existed for hundreds of thousands of years before capitalism.