I guess I see things differently than the OP. Put the 6D aside for a moment -- all I can say is they weren't targeting me with that design... lets wait and see how the sensor itself performs which may be telling. Anyway, I see Canon putting its best foot forward with the technology that they have. ok, so they don't own the low-ISO DR war at this time, and this allows the geeks and gearheads to pull out the charts showing the D800 with a DR advantage below ISO 800 or whatever it is. so what? if thats critical to one's work, i.e. if that advantage will distinguish you from others, and you can show it with real photos, and if all of that is more important than 1DX style AF, high-ISO performance and 6fps for example then halleluiah thats what capitalism and free market competition is for. The D800 is for sale.
What I find amusing re: the 5D3 in particular is that because the D800 stole the marketing show with high MP and because some geeky chart shows better low-ISO DR, people thought thats what they needed, and so they ragged on the 5D3 because I guess it doesn't win the dxo score war. Then when folks took another look they realized how good of a camera the 5D really is for its intended market (at least thats my observation). For example, I haven't heard very many wedding/event togs wishing for lower fps, worse AF, or higher MP, and I don't hear many complaints about the 5D3's IQ (including DR) at ISO 3200.
I view the D800 as disruptive in the sense that it might cause Canon to take a few Red Bulls and tweak their R&D strategy in the studio/landscape arena, to be sure. That can't be done in a few months time. Reading in between the lines, I suspect Canon may be scrambling to produce a product that segments the market further -- a camera that is optimized for studio/landscapes. Their R&D folks are probably working overtime. That aside I guess I could "blame" Canon because it appears they didn't see the D800 coming -- or by the time they did see it, it was too late. But that doesn't mean the CEO should resign, although it could mean they should hire a better technology strategist. Or that Sony kept a good secret and surprised the pants off of everyone.