Blacks in the Jim Crowe era never complained about racism they just worked hard what happened?

Blacks today have it better than they have ever had it before but they are still complaining about stuff like racism. I talked to my grandfather who was alive in the Jim Crowe era he had white friends and he never complained about racism just worked away and cared for his family. What's going on with blacks today always complaining about racism... Why are they so lazy?
Blacks in the Jim Crowe era never complained about racism they just worked hard what happened?
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