No you are wise and experienced and know that they can be as mean as they like because the person they hurt most is themselves :)
Cynical is not the correct term.<br />
Sadist, possibly. Schadenfreude, more likely.
The higher the mountain, the deeper the valley... ;)
A lot of people do that. Some people that laugh at things like that aren't even cruel people. You can't control what you think is funny.