The connection to Huawei seems very tenuous. Is there any evidence of Huawei hacking Nortel? The link you shared is just an allegation of Chinese hacking.
https://www.cnet.com/news/huawei-admits-to-a-little-copying/
GPs story definitely rings true.
Full disclosure: I work for Huawei; I am not paid to shill; I am not Chinese.
I'm not criticizing the parent, but it should never need to be said. Nobody here should be judged based on their ethnicity or country.
Or did I misread something?