That's right, but I think the article is asserting that: a) The vulnerability density is much higher in Huawei's code. b) When vulns were reported to them, th

That's right, but I think the article is asserting that: a) The vulnerability density is much higher in Huawei's code. b) When vulns were reported to them, they simply moved them to another location, rather than actually patch them. Those are the things that I consider to be (weak) evidence that they are backdoors.