There's a plausible story that is told here about spontaneous interactions producing new and interesting ideas, but what I don't know is if there is any actual

There's a plausible story that is told here about spontaneous interactions producing new and interesting ideas, but what I don't know is if there is any actual evidence to believe this is the case. As contrasted to having regular planning meetings over zoom and then mulling over ideas in private (which I find to be a very fruitful way of coming up with solutions to problems, much more than "brainstorming" or whatever in a group)