There are a lot of situations at work where posting a confluence page or a markdown doc on slack doesn't really get any traction, but a mob session does as you can step through things.

Something like this might be a good middle ground (can't interrupt with questions, but can still step through changes). That said, I usually write a script and spin up Loom as the 5 minute limit forces me to keep it tight.

I disagree, and even more so in the future. Programming languages will become a relic of the past. I think LLMs will just create binary from spec/tests/