Tone and prosody of presenter matched the pace, and slow (and conscise) intro of abstract subject matter. Nice listening for the ear. As in, picked one point and stretched it to a good elastic length, without branching into complexities (pulled on the starting idea gradually and sensitively for the beginner learner). Let's see more, phaps, as we delve deeper.
Hey friends, quick edit post upload: from 2:00 - 2:45, please turn on the captions to see a proper and accurate example of proximity principle, and ignore the image on the screen as it is not the best example! No stress though, we got your backs :)