Did the federal courts sow conflict in the 'debatability ' standard for a habeas corpus petitioner to appeal, where the bases for denying relief plainly contradicted specific landmark rulings from the U.S. Supreme Court concerning jury instructions which confer unlawful mandatory conclusive presumptions?

Whether federal courts created conflicting standards for habeas corpus appellability when denying relief based on jury instructions that contradict Supreme Court precedent regarding unlawful mandatory conclusive presumptions