That's been my view for a long time. When I'm not distracting others or if there's not a guest/external speaker, I should be able to, and trusted to, manage my own attention.
As someone who is in a lot of meetings - particularly in some meetings which have a lot of people in them and when I'm not running them - I've recognized when I can listen in the background and do or think of other things - dialing back in when necessary.
To the standard objections I hear when I tell people this:
Yes, I still need to be at the meeting even if its for only part of it or to prevent certain outcomes. I benefit sometimes from getting a sense of what's going on even if I'm fully engaged for only part of the …