PNG, a Nifty way to say, 'it's you, not me'

In diplomacy, declaring someone 'persona non grata' (PNG) is a refined yet passive-aggressive way to express disapproval and sever ties. It avoids messy conflicts, offering plausible deniability while conveying a firm rejection of unacceptable behavior. PNG is the ultimate diplomatic 'it's not me, it's you' statement.