Any phrase that attempts to deny
critical,
negative, or offensive intentions but is
always followed by a critical, offensive, or negative statement.
Examples of prenips:
"Not to be
critical, but (list of criticisms begins)."
"Not to interrupt, but (interruption begins)."
"Not to dismiss your input, but (input dismissed)."
"Not to be
sexist / racist, but (
sexist or racist statements begin)."