You still misunderstood the point of the essay, even when simplified.

denied the opportunity of such success because of their race, gender, social networks, or economic class ... which deny them access to the important resources such as education, financing, contacts, or jobs.

This is not "economic inequality", reducing "economic inequality" might reduce this or it might not. Its a proximate cause, whereas we should be focusing on ultimate causes. You even list them here: access to education, access to financing, contacts, jobs.

Focus on "economic inequality" is less likely to fix these problems than focus on fixing these problems is (likely even more detailed versions of them).