Yes, hard work is important. But to pretend the Civil Rights act is something DuBois was criticizing belies an epic amount of ignorance of the man. They present it as if he is speaking ill of the Civil Rights movement. He is not.

Go ahead and read the selection their out-of-context WEB Du Bois quote comes from. Changes the meaning considerably when you understand the context of who he was speaking to, and the time it was said in:

http://teachingamericanhistory.org/library/document/the-conservation-of-races/