Yes, sometimes we do encounter rudeness on this forum. I do agree with the thought that it is impersonal and many would never reply so rudely in real life-at least I hope so.
Sadly, it seems that society in general is more rude as years go by, evidenced by road rage, boom boxes (several years ago) loud talking on telephones in public places, etc. Not to mention carrying guns and using them in drive-by shootings!
I remember when I was a child-US-in the 50's, my mother wore a hat and gloves to shop downtown (there were no shopping centers), my dad wore a hat when we went out, men opened doors, and people whispered when they said the word "pregnant." Men took off their hats inside, and everyone would greet each other as they passed on the sidewalk. I don't recall hearing cuss words until I was in High School, and there, of course, never in the school. That would have been dealt with by the teacher with a paddle-yes-in High School! Whether you felt it or not, you spoke respectfully.
Oh, for the "good old days."