No doubt about it, there are some miserable bast++ds out there. I used to assume that they had such crap home lives that they totally begrudged everything aroud them...probably still the same today.
I used to commute FC York KX and, in GNER days, found the staff fantastic, but I did smile...say hello and cheers etc etc and tipped as appropriate.
One lass used to wheel the trolley to the DVT at the cross, and served coffee etc, and took orders, to the point you were eating before Stevenage. Clever girl...on quiet trains she'd bring me spare veg from restaurant, after I'd ordered cheese/ham toasties.
Another was so pleased that I hadn't been wiped out in the Heck crash that she gave me a big hug...weeks later.
One lass was dead keen to marry me!...the chief said "come on pal...she loves you"...as it happens I was engaged.
This of course was all because I smiled and was friendly and tipped, I guess.
Ha ha...give and you'll be rewarded, I guess. Not the way I thought, but there are some tw+ts out there. Once heard a guy loudly firing someone on a mobile...what a c+++t