I view this kind of caution against foreign powers (corporations are not separate from their governments in time of war) in the same way that the 2nd amendment protects us against tyranny.
And seatbelts from flying through wind shields.
You don't need it until you need it, and if you don't have it, it's too late.
National infrastructure that needs to work in a time of war must be nationally controlled by all nations.
"Spying" is a straw man argument, it's not about spying.
I think the UK appears to have taken the pragmatic descision since Thatcher, that in anything serious these days it is either overrun or obliterated, so might as well buy the cheap stuff from our strategic rivals that will break down in an apocalypse and we can make some quick cash in the mean time selling off all the national technical base.
edit - Has been going on since long before Thatcher, to be fair. There's an old documentary about this subject by Spike Milligan, called 'The Bed Sitting Room' - https://www.youtube.com/watch?v=de0w8tU0j1U
yip, thatcher set in motion a process that has resulted in there being no uk companies with the expertise t o build a nuclear power station. the uk has to rely on french and chinese state owned companies for that
And seatbelts from flying through wind shields.
You don't need it until you need it, and if you don't have it, it's too late.
National infrastructure that needs to work in a time of war must be nationally controlled by all nations.
"Spying" is a straw man argument, it's not about spying.