Why would they need to employ this method when the speaker was already using a megaphone?
because somebody thought it would be “cool”
Why would they need to employ this method when the speaker was already using a megaphone?Notice, not everyone has access to 'a mic' (esp. those in the audience, the bulk of the group) ... these appear designed to be a highly-participatory events, actually meant to create 'consensus', to get everyone on board.
Having watched several of their General Assemblies and observed how they handle various issues, it all becomes clear ...