Massive attack against Dyn

Last week’s  DDoS attacks against Dyn are being reported everywhere.
If I had to guess, though, I don't think it's China. I think it's more likely related to the DDoS attacks against a person than the probing attacks against the Internet infrastructure, despite how prescient that attack seems right now. And, I’m sure China is not going to launch a preemptive attack on the Internet.