Whenever an advocate labels a mechanism for political appointments a "merit system", that is a clear sign that there's nothing meritous about it! (Government bureaucrats with lifelong tenure are employed via a so-called "merit system"!)
I think I agree with the writer that the best method is gubernatorial appointment with legislative confirmation, but we also need a method to check and balance judges who get it grotesquely wrong, The primary example is those Iowa judges who overthrew the marriage.
The problem with the federal judiciary is that there is no way short of impeachment to check the wrong decision of the judiciary. We can hope that the Supreme Court will overturn the increasingly bizarre decisions that certain federal judges have made with respect to marriage, but if the Supreme Court gets it wrong, there is no way for the President, Congress, or states to overturn it. Read the Article at HuffingtonPost