Also the article mentions that Chinese researchers had access to the clusters as well. So the GP's implication is that the PRC attacked these datacenters ... t

Also the article mentions that Chinese researchers had access to the clusters as well. So the GP's implication is that the PRC attacked these datacenters ... to stop their own research? Seems more likely that more people are using/accessing these services, and people's guards are down, which made it easier for intruders to get in.