It’s funny you say that. I’m actively working to add intro sentences to more of my emails to add “fluff”. Asking how their weekend was, commenting about the weather, sharing a one-sentence story about an experience I’ve had, etc.
I’m trying to build connection with people and not come off as terse/abrupt. My wife calls me out for it all the time.
They also sold 5 million copies in 3 days, and who knows how many copies since then. They can afford to pay good IP lawyers for a long time, if needed.