It's not a training blob. It is an entire CPU, with its own firmware, sitting between the CPU and the DRAM chips. It has the bandwidth to examine every single memory access, which is something the Intel ME and PSP never had.

I am extremely impressed with Tim's integrity. His decision to stand up to this nonsense has and will cost his business dearly, but it has won him him the kind of credibility that can't be bought at any price. People remember stuff like this for a long, long time.