>Is it generally considered funny and/or OK to shit on others misfortune while laughing about it? Bragging about how much better it is for you that others feel pain about something?
The video is from a talk at an Iowan Pork Producer Industry event, not an academic presentation. His audience (the Iowan Pork Industry) was likely very happy to hear this news, given that it is bad for their competitors.
>Maybe it's because I'm not American
I wouldn't extrapolate Iowan pig farmers to all United States citizens.