I think Ketanji Brown Jackson's dissents are an important exception to the "Supreme Court dissents don't matter" rule of thumb, because she is using them not to argue with the conservative justices, but to explain to the public that the conservative justices are liars and in the tank for Trump
ballsandstrikes.orgKetanji Brown Jackson Is Telling the Truth About the Supreme CourtThe task of interpreting the law is inherently “political.” But no justice has been this comfortable saying so in public.