Reminds me of a thread a couple years ago where some one was worried about running a pair of M3 as large in a 2 channel.

At one point Ian chimed in. And very scientifically said something along the lines of You can not damage our woofers due to design foresights of such occurrences.

It was very straight forward and very confident {Years of facts/studies}
Now that you've resurfaced the vid I'm sure they would have contacted you if you needed to worry.