No. ;) I tend to agree with you (finding the leading No\n grating when it's used as a "well actually" replacement) but ime its sometimes used by people from c

No. ;) I tend to agree with you (finding the leading No\n grating when it's used as a "well actually" replacement) but ime its sometimes used by people from cultural backgrounds where the standard for communication is more direct than what the English-speaking world is used to, and not intended to come across as smug or know-it-all, and I don't mind it as much in those cases.