Estes Blue Origin New Shepard #7315 Build, Stability Issue?

From Matt Ryan on the Estes Model Rocket Facebook page:

"Just got my Blue Origin New Shepard in the mail yesterday, then got this email:

Thank you for purchasing the #7315 Estes Blue Origin New Shepard Builder's Kit. Our team has recently become aware of a stability issue with this model and is working to resolve it as quickly as possible. For your safety and the safety of those around you, please do not build or fly the kit. We strive for 100% customer satisfaction and are asking you to return the item to us for a full refund as well as free shipping to return the item.

Please contact the customer service team at (719) 372-6565 or email us at service@estesrockets.com before June 31st to receive your return shipping label and full refund.

We apologize for the inconvenience and will keep you on a list to be the first to know when the kit is ready to launch again. Please accept this 30% off promo code for your next purchase on our website.

I opened the box but haven't built it yet - anyone know what the "stability issue" is and why it couldn't just be fixed with some well placed ballast?"

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