This advice is all targeted at the technical challenges which, in the language of NSB, are all accidental factors. The essential challenge of video calls is bandwidth; you just don't get the same depth of rich, non-verbal communication. I find I need to turn up my antennae to 11 to really "hear" what people are trying to communicate, which is incredibly exhausting.
Nothing wrong with the advice here, but done perfectly it will take your meetings from a 3/10 to a 6. I was hoping for tips on improving communication.