Harmonics.

My father raised a good point in the execution of Plan B. The long thing horizontal volume of the house is completely flat. He was concerned that under a regular and high wind, that the walls might produce a harmonic, likening the problem to the chapel in the Air Force Academy, which vibrates like the interior of an airplane wing in the wind.

I likened the horizontal volume in this thought experiment, to a xylophone key.

I think the idea is that a variation in the face, some sort of featuer, would decrease the winds ability to run along it. I dont know if this is possible, likley, or can be tested. But it is an interesting, and valid, concern.