They don’t really always do that. I think there is also a thing where the one talking let the other one take the word if they start talking. As an adhd gal i often experience how I, if I give the slightest pause after a sentence, even if it is pretty clear that it led up to the next sentence, some nevrotypical person starts talking. Not because I’m done, but because the sentence ended

Hey! Eurovision says Israel is part of Europe! We should include their terror on these maps top then

But then their circle would be so huge, it wouldnt be any space for the other countries