What about the above, applied to a country that is between Europe and China? Such a country could passively listen while China takes the blame.
This statement doesn't make sense.
The BGP peering infrastructure has nothing to do with countries being "in between" europe and china.
I think you are overly paranoid, misrouting happens (quite a lot actually) and BGP routing changes are very easy to track thanks to the nature of BGP.
There are far more "stealthy" ways of getting desired traffic.
What about the above, applied to a country that is between Europe and China? Such a country could passively listen while China takes the blame.