The European Union’s Court of Justice had recommended to it by an adviser to the court in a particular case involving Facebook that

Companies, including US tech giants, should be blocked from transferring European users’ data in some cases if they can’t guarantee it will be handled in compliance with European Union privacy laws….

That would seem to include a large number of international companies besides ours. Yet several EU member nations are moving apace to bring Huawei into their communications networks….

Hmm….