can you clarify "bucket"? I think we have an interesting test case because we have a bunch of sites with content that ranges from very similar to very different but all in the same layout and design. What the interesting variable to me is what makes one site different from the other in google's eyes.
Why shut off technifi.com, but not sportifi.com? Why shut off celebrifi.com but start sending 70,000 visits a day to musicifi? If you look at them, you can see how similar all the sites are. I would expect all of them to be turned on or off at once, not random sites from within the network.
I don't know if some of my sites are "easy to bucket" or not, since I don't know what that means, but we make master sites that are broad (sportifi.com) and then use those to spin up sub sites that are more narrowly focusted (jerseyshorereality.com). Yet there's no rhyme or reason to which sites google decides to kill or send traffic to.