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"At all cost ?" I don't think the financial guys would agree :)
As for agility this is nothing really new, people are rediscovering Deming's Continous Wheel of Progress that is contrary to what is taught in Business Schools:
http://statistical-process-control.org/dr-demings-revolution/

I'm a firm believer that low software quality is to be avoided at all costs and I believe that with proper cost/benefit analysis the financial guys can be convinced to invest in quality. But, quality doesn't mean that R&D labor costs need to be abnormally high. Quality also doesn't mean that delivery dates should slip. I think the number one rule to quality is to ensure that developers take pride in their work. Some people may feel that the ideas in my blog won't work but I think they will if given a chance.

I think your ideas violate the 14 points of Deming's management:
http://statistical-process-control.org/deming-14-points/

For example your Wall of Shame is contrary to
"Point 8: Fear is a barrier to improvement so drive out fear "
,

First of all, the URL you posted in your comment returns a "forbidden 403" code when I try to access it. Secondly, I agree that calling out a team member for poor conduct could make that person fearful, and that's not good. But, I believe that agile teams should be a close nit group that trust and respect each other enough to be candid. The Open Source community does this exceptionally well and I think many enterprise development teams should copy the idea. Maybe the "Wall of Shame" is too extreme, but a properly working agile team should not have software quality issues to begin with.