“Repeal this and you’re screwed”
You would think that a SCOTUS justice might know just how difficult a process it is to amend the Constitution or repeal an Amendment (happened only once).
Getting three fourths of state legislatures or state constitutional conventions to vote to ratify an amendment requires more than just a judicial opinion signed with a flourish.
If Justice Stevens wants to get the ball rolling, the U.S. Congress is just down the street. Good luck finding a Senate or House sponsor, J.P.