Yes that is what he ment. It was the first nitranes that had the problem. It was fixed for free and I haven't heard one case of it happening since then. Anything newer shouldn't have the problem.
Optimos are sick bindings. If I wasn't so content on trying Flows I would be getting them to replace my Contrabands near the end of this season.
2011 Smokin Buck Ferton 155
2013 Flow NX2-SE
2013 Flow Hylite boa
Burton Stagger pants/jacket