Did The Court Of Appeals err by dismissing the appeal of the District Court's reasoning that Mathis was inapplicable to Karyea Williams on Collateral Review ?

Did the Court Of Appeals err by failing to determine that the Jerry Jabbari Rhodes, 736 Fed, App'x 375(2018 - Mathis Y United States, 136 S. Ct. 2243(2016) can be retroactive under Teague's exception to the general rule of retroactivity ?

If Mathis reiterated and clarified Descanips because the lower courts were erroneously applying the categorical and modified categorical approach at sentencing why should a defendant who was victimized by their erroneous view of the rules not be allowed to have their sentences reduced??

Did the Court of Appeals err in dismissing the appeal on Mathis applicability to Karyea Williams on collateral review?