What people find offensive can vary greatly from person to person and one culture to another. Morality can be pretty different between different religions and cultures, and the same holds true for what is considered truly insulting or offensive.
Reddit user u/3choplex asked:
14.
Older people thinking they're always right and automatically discounting new ideas just because they have "more experience."
I understand that wisdom often comes with age, and I grant that life experience is helpful in many situations. But some people just stay stupid, no matter how much experience they've had. Reddit