Australian telco Optus tells lawmakers it had no plan to address total outage - CNA
Inside the company a chorus of voices deriding over-provisioned network hardware and a lack of investment in infrastructure. Publicly; claims of a freak accident which could never have been foreseen and which no one could have prepared for.
Who to believe?
As a network engineer, 100% garbage infrastructure that's not redundant, EoL, and definitely over subscribed.