You provide examples of one case being overturned by another after a lapse of some time. I was talking about well-established and foundational legislation. Taney simply failed to respect the law so as to replace it with his racist agenda.
A hell of a lot of Southerners thought Plessey "foundational", too -- and gun-grabbers love their Miller, and they get all glowy at the thought of Presser, which found tightly circumscribing Militia membership as a gun-grabbing tactic constitutional.