That is blatantly and purposely inaccurate, did you even bother to read it?! they are not "backdooring equipment"; they maintain vulnerability databases which also include firmware bugs. Also non-US companies are also mentioned but just like the Reddit submission they are omitted to make the impression that there was some foul play on the part of these companies.
Again this is not Reddit, don't embilish titles for karma.
Take, for example, when they intercept shipping deliveries. If a target person, agency or company orders a new computer or related accessories, for example, TAO can divert the shipping delivery to its own secret workshops. The NSA calls this method interdiction. At these so-called "load stations," agents carefully open the package in order to load malware onto the electronics, or even install hardware components that can provide backdoor access for the intelligence agencies. All subsequent steps can then be conducted from the comfort of a remote computer.
Again this is not Reddit, don't embilish titles for karma.