Can't fit arbitrarily large numbers of people on a laptop screen, it's way harder to pick up this kind of motion from a mosaic of small 2d tiles, and everyone n

Can't fit arbitrarily large numbers of people on a laptop screen, it's way harder to pick up this kind of motion from a mosaic of small 2d tiles, and everyone needs their camera on which isn't always feasible (connection issues, privacy of others in a home office setting, etc.)