There is a very big difference between being fun and making fun. The OP IMO is way off, perhaps this is the social norm in Germany, but in Anglo-culture most jokes are self-deprecating. It's rare that aggressive (belittling or demeaning) jokes are made and go over well, people in senior positions using this type of humour are at risk, in fact it's one of the main reasons employers get sued because it frequently creates a hostile work environment. If you think your joke is so funny that you want to get sued over it, well I believe it's still a self-depreciating joke, because either way the joke ended up on you, but it depreciated your bank account too.
The few exceptions when aggressive jokes are allowed and found funny is usually between close friends or family and it's usually classed as a roasting joke where the entire point is that they're respected more for showing their good nature.
Comedy on TV is very different from comedy in real life. The reason why most doctors don't crack jokes is because they're insured to work, if they start insulting their subordinates with aggressive jokes, their insurance goes up and the same is with almost any antisocial behaviour, because the insurance company is thinking "How long until this idiot calls an obese patient a tub of lard and we have to fork out a hundred-thousand dollars to shut the patient up".
But in the real world, I agree with you. (What does that say about our education system? Sigh.) (Actually, it probably says more about slowing rates of maturity and development in the general population. I still blame the education system, though. =P)
How can you expect to raise 30 kids when you haven't even raised 1. It's ludicrous.
I demand an explanation!
The second time was less mysterious. The pan had been used for a flambé the night before, I just added water and put it on the heat. I believe I flambé'd water . . . still tasted like water, no new beverage discovery.
Good natured jokes made by a manager to make his or her employees feel at ease is a demonstration of people skills. People use humor in stressful situations not necessarily because they want to be in charge, but to actually lighten the tension. How is that aggression?
There are so many obvious situations of humor being anything BUT aggression. This is a completely ridiculous statement stating the exception to the norm as the general rule.
"Cars are used to kill people" "Food is poison" "Headlines are linkbait"