You might want to consider that "intentional" is not always a clear-cut case.
In this scenario, Renesys claims that it's obvious that this was no accident, but there's also mention of a Pakistani accidental hijack and a presumably accidental Chinese incident.
Intelligence agencies are masterful at the art of making things look like coincidences or accidents, and many smaller ISPs could make an accidental hijack that looks intentional and dangerous.
In this scenario, Renesys claims that it's obvious that this was no accident, but there's also mention of a Pakistani accidental hijack and a presumably accidental Chinese incident.
Intelligence agencies are masterful at the art of making things look like coincidences or accidents, and many smaller ISPs could make an accidental hijack that looks intentional and dangerous.