With all these domains they are continuing to seize and then need to continue to renew, at what point does a bean counter tell them it's unsustainable? I also wonder how many sites just don't get renewed because they slipped through the cracks like certs sometimes do. I guess if you're a domain register this seems like a crazy inflated sales bubble that at some point is going to pop, and hopefully they have saved some of that revenue to ride out that lull.
Edit - a word