And some of it is fixable, lending more credence to what you said.

Like the one where the guy shows a GPU and says there are 2 HDMI ports when you clearly only see 1 and they left the audio in but added a text correction. In a situation like that, because the video was showing the GPU and not the host’s mouth, you could easily have gotten a dub in to replace that part and it would have been much less noticeable. Sound quality would be off by a bit, but much better than the wrong words and a little text blurb.