I understand when non-jet guys don't get this because their machines are so much simpler
Yep, and a heck of a lot cheaper too

I would say its completely natural to get a 'game face' on and be more focused, it is the signs of a good pilot. I wouldn't want to see a airline pilot flirting with the flight attendant while on the threshold, lol. My opinion, its a good game face. The guys I see who don'ttake careputting a flyingmachine in the air whatever it be is who I look out for.