Should SCOTUS have not over turned plessy v ferguson with brown V board?

Nancy Pelosi said that the over turning of Roe v wade is unprecedented never a “right” was taken away from people “rights” basics subjecting that no Supreme Court case should be over turned. plessy v ferguson Found that there was a right to have schools segregated using Nancy Pelosi logic the counter should have upheld there ruling to keep schools segregated. Sounds racist to me
Should SCOTUS have not over turned plessy v ferguson with brown V board?
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