-- I think the ultimate effect of the ruling will be minimal. --
Yes, it only affects people who resist unlawful entry by the police. They can't justify any resistance to the unlawful entry, as a matter of law.
-- Your Castle doctrine defense will still be available --
Did you read the opinion?
Because we decline to recognize the right to reasonably resist an unlawful police entry, we need not decide the legality of the officers' entry into Barnesas apartment.
Yes I did. The second opinion modifies the first. The second opinion is controlling.
Are you a lawyer?