Instead, it is creating the false expectation that we have a non verbal channel, when we really don't. This disconnect is at the very heart of the article.

Turning off video removes the expectation. In lieu of better, low latency tools, an audio long meeting is likely higher quality, not to mention lower bandwidth requirements and possibly lower latency as well.

Better that video will be virtual avatar based tools, like meeting in a video game.

You've had your HN account nearly twice as long as the person you're replying to. Why do you think they are HN, but you are not?