"it has never been established in all years that customer data was stolen by Huawei from our networks or our customer systems, or that it has been tapped." Isn

"it has never been established in all years that customer data was stolen by Huawei from our networks or our customer systems, or that it has been tapped." Isn’t this basically the position that Ubiquiti took in the last few weeks? What’s this called? Plausible deniability?