[Suzy]

Originally Posted by renormalised

Well Suzy, there's an answer to that. I'm into genealogy and I know where this behaviour comes from. You see, they all have some Italian blood in them

Knowing that Italians are big on the wide eyed, very vocal, arm waving type of explanations and/or remonstrations, it's quite easy to see where they get this trait from

Alex Filippenko might fit this bill.
I've been watching his very interesting Berkley lectures on YouTube. Oh boy there's so many, I think about 80. Slowly working my way thru. When I've finished watching them, I will tell you all my theory.