Although it might be a simplified thought, isn't what, and what is not Constitutional defined by what any 5 Supreme Court Justices can agree on at one time.
I am well aware that cases have to be brought before the Court, but as an example, if a ruling such as Roe v Wade was brought up again, and by some quirk made it all the way to the SCOTUS, and the majority voted against abortion, would not that then become the law, regardless of how a previous Court had ruled.
That is just a hypothetical to illustrate the question.
Doove, I too think that is hillarious when some shit brain says that something that is actually in the Constitution is 'Unconstitutional'. Clueless