Yes, it appears to be very "responsive". As in  'inconvenient fact people notice', then "here's another disclosure that explains it".

Right, which I've heard shouldn't have destroyed so many vertebrae. 

I really don't think we can count on any of the disclosed details being correct. It has the feel of things just being made up that they hope will satisfy the questions that people are asking. 

Undisciplined

Yes, now "frangible bullet" is the claim, I believe.