Of course it's an excuse! What would you do if your rival - a monopoly - decided to dump half a billion worth of inventory? It's not just an excuse it's the actual fact for why AMD couldn't meet their target. It's why they have scaled down because intel will be dumping even MORE inventory for the forseeable future.
Intel barely touched the sub-60% margin territory, probably because of the charge they took with the pre-production Haswell wafer that will be reversed in the next quarter, If you see Intel close to 50% gross margin, then you'll have your worst case scenario for AMD.
1) What would you have done with Kabini, because I'm 100% certain it would have been what AMD did.
Instead of quick rehash like Brazos 2.0, I would have pressed ahead to Kabini ready for primetime at 28nm TSMC whenever they had the available volumes, Q112, Q312, Q412, you name it, but it would be ASAP. Sooner or later volumes would be ok, wafer prices ok too, it was a very straight decision. I would also canned Bulldozer and gone for a Phenom die shrink.
Those two things wouldn't have solved my fundamental problems, but would have bought me some time (and cash).
2) What should they do to mitigate their monopoly competitor from dumping cpu's and eating into their market share in a market that is rapidly capitulating? I'm 100% certain the answer to that is - "they should scale back their production, even if the have to pay to do it because that is better than being left with a mountain of unsold inventory".
IIRC I didn't say they had any choices regarding the WSA, once they signed the spin off deal the soul is now the devil's property. What I said is that the WSA was a very bad deal, that GLF is acting like a loan-shark (IDC, I'll pay royalties in beer some other time) and GLF is bleeding AMD dry and will kill it as soon as the foundry is on its feet.
I did bash for them missing every sales forecast since Rory Read arrived.