Well, hypocritical yes but I wouldn't say empty projection. NATO countries, Russia, PRC, DPRK, Iran and everyone in-between are engaged in cyber-warfare. It would be ridiculous if any of them weren't, in fact. And this includes supply chain attacks.

I honestly don't know to what degree Huawei and TikTok etc. are or aren't utilized, could be nationalist fear-mongering over nothing or could be rightful fear over active collection. As far as politicians and news articles go, that's absolutely fear mongering, but if you look at things like PRISM and hardware bugging from those same NSA disclosures, and realize how much of a supply-chain risk China (and Taiwan) are for almost any computer electronics, I can't even blame them for worrying about the technology being utilized by Chinese hackers.

This was one of the problems that the FBI and CIA had during the Cold War: they dismissed any suspicions of moles, because our white American good boys would never betray us. Therefore it must be the minorities in the office

As we all know, capitalism raises people to be ethical good boys who won't betray their country.