> Cyberattacks originating from China is not a new variable
Sure, but its mere existence in other contexts does not automatically make it the cause of the NYSE etc. glitches. The assumption of causal relationship without any proof is what violates Occam's razor.
(And that map, while pretty, does not proof state sponsored cyber attacks. If I rented myself a $5 VPN account to Russia and then nmap whitehouse.gov, I would appear in that map as an attacker from Russia.)
Cyberattacks originating from China is not a new variable