Re: Who needs 5g?
If you feel strongly enough about a subject you should proceed regardless of cost - if cost is a factor then you don't feel strongly enough about a subject to invoke real change.
As an example there was a point where the cost of new paper was lower than the cost of recycled paper, so recycling paper didn't make any sense for that amount of time. Regardless of whether it made commercial sense or not, if you feel strongly enough for the environment then you should go on regardless.
Same with this tech - if Huawei is such a danger - rip all the equipment out - if it affects communication so be it - at least there will be no Chinese interference.
In fact lets send all Chinese back to China - they then will retaliate by sending expelling all British people from their country. Please let me know what other country's peoples you don't like ? Let's do the same ...
Can you see that at some point this strategy might not work very well?