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I'm no blockchain historian, but this is the impression I get... I don't want to force anyone into taking a public stance that might put them at risk, but this is a real concern as far as I can tell.

They only did it when the hack occurred and when they had a fix for the solution. I think they wanted to be seen as pro-active in handling a situation as opposed to waiting on witnesses to update.

the point here is: right now, with the whole software still in beta and very new, it might actually be a good thing that there is still some control from one or few individuals over the system. this makes it possible to react quickly to critical situations.