It's a risk management thing. As I said in my initial statement, we know from the Snowden report that American companies collaborate with the American government, so there's no reason to suspect that in other countries it doesn't work this way, especially not in China. It's risk management. How much would you invest in order to avoid having Huawei in Canada? Of course it's going to cost you more for equipment.
I would say that if you decide to use Huawei, you need to put in place monitoring equipment and monitoring facilities to make sure that funny things don't happen.