So we all know Mac is extremely young compared to his coworkers, and i was thinking it must get on their nerves having this kid come in and make things out of nothing and never use a gun and generally show everyone up

I'd like to think some of them have been petty enough to bully Mac, maybe at one point Jack and Mac were assigned different partners on a mission and Mac's partner deliberately let Mac get hit or drugged

+Jack finds out this asshole did that cuz he was dumb enough to take a video of a drugged up Mac and shared it with Jack which was the wrong thinf to do becausr haven't you heard Jack is like his older brother do something to Mac and he'll kick your ass