I've definitely seen that, it morphs into a bro-code of sorts. Interestingly, most of corporate America borrows its parlance from the military ( pick your battles, rally the troops..)
Someone, thought up this psycho-babble to make corporate jobs sound and mean as important as being at war.
It's not just a movie trope, it's a human cliche. Pour enough oxytocin onto a human brain and you'll believe anybody is your bestie. Survival creates a bond.
These guys create emergencies and then become emotionally invested in the heroes who show up and fix the problem. If they do that repeatedly, the bond is stronger. Infuriatingly, that often holds for people fixing the same problem over and over. They want to keep these 'friends' around and ignore everyone else.
They have no emotional bond for most of the people who would let them go home after 40 or 50 hours.