This is an interesting story about work done by William Xu. It reinforces the sense that the USA is concerned about the success of Huawei in 5G and the association with AI and Big Data.
Europe and the UK are also very concerned about being in front of 5G and AI and Big Data. Probably to the point of wanting the latest as soon as possible regardless of the nationality that can deliver.
As I have said security is not achieved by bans. Bans are just another barrier to be removed. It is of more value to give a potential foe and interest in your market. Dropping stones on your own feet is not so attractive.