If you consider anyone rude or offensive just consider the source, then either ignore them or mock them. It is the American way. Anonymity does not promote character or honesty.
mike r
"Those that think they know everything are annoying those of us that have Google." - Dr. D. Edward Wilkinson
Note to self: Never ask an old Fogey how he is doing today. Revised note to self: Keep it short when someone asks how I am doing.