Yeah the nightmare scenario goes a bit like: 1) Huawei's tech gets embedded deeply in US telecoms as 5G takes over as well as everyone claims it will and includes some buried controls mandated by the Chinese government 2) tensions between US and China inevitably come to a head over something 3) the Chinese government uses that backdoor to cripple US wireless networks 4) various sorts of hell break loose depending on how much 5G has supplanted other wireless industrial control solutions.