What you or I or anyone might find offensive has nothing to do with what others do. How about we all just treat each other civilly? That’s part of being "civilized" as opposed to the alternative.
civil
[ˈsiv(ə)l]
ADJECTIVE
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relating to ordinary citizens and their concerns, as distinct from military or ecclesiastical matters.
"civil aviation"
synonyms:
secular · nonreligious · lay · laic · laical · nonmilitary · civilian
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courteous and polite.
"we tried to be civil to him"
synonyms:
polite · courteous · well mannered · well bred · gentlemanly ·