He seems as if he places a high premium on being fair to other people, respecting their thoughts, accommodating their feelings. Then moving forward with the analysis.
Well said. His philosophical opponents have no reason to hide behind complaints about his manner, so he is not impeding his own argument. We can assume that the PhD’s he is addressing do not need the visuals with which he illustrates the timeline, but perhaps for them that’s the icing on the cake anyway.