That was their opinion. We should not be overturning SCOTUS decisions because the opinion of the court leans one way or the other.
Privacy laws were at the core of the original decision. Nothing new there except the makeup of the court.
They did devote considerable effort to explain why they felt this is different.
How would you explain why the “right” to use narcotics, prostitution, assisted suicide, euthanasia, are not protected under the constitution according to Roe? If it cannot be explained properly, would that be evidence that either abortion isn’t a right, or that the above are?