It sounded that way to me too. It's most likely a gesture intended to silence all the criticism of allowing the two quitters to sit on the jury while leaving the door open to do the same again if they want.
Does anyone remember the very first Survivor Reunion? It was hosted by Brian Gumbel, who'd had absolutely nothing to do with the show until then, because CBS considered Jeff Probst a no-name and they wanted star power for the finale. My, how things have changed.