"Walk out of a meeting or drop off a call as soon as it is obvious you aren't adding value. It is not rude to leave, it is rude to make someone stay and waste their time."
- During a retro decide to have a quota of meetings left early/skipped as a team action/working agreement.
- Keep inviting people as you are, but mark everyone as optional.
- No phones, no laptops (unless they're for taking notes)
yeah, but sometimes i do need to be vaguely aware of whats being discussed.
Rapidly changing from topic to topic but having everyone in a conference room while everyone is working is highly effective. People can jump in and give input on the topic they were half listening too. How many times someone has said "Oh, i have a supplier for that" or "I wrote a script for that".
The above example is really off topic from "He was on his phone while we were pitching" but i think it applies to the fact that smart people are actually really good at multi-tasking, bad a social ques and norms but you shouldn't take it as a sign of disrespect.