Political correctness has no effect on the physical outcomes of matters as has no effective on what people truly think or do. It just makes the Left seem ridiculous in their intent to minimise offence and take it ‘too far’. As Robert Longley said; ‘Telling people that it is socially wrong for them to express their feelings and beliefs in certain was will not make those feelings and beliefs go away. Sexism, for example, will not end by simply referring to salesmen and saleswomen as ‘salespersons’. Also, referring to the homeless as ‘temporarily displaced’ will not create jobs or wipe out poverty.‘
Political correctness does have an impact on what people think because it changes what is regarded as an acceptable view. This unconsciously affects everybody and changes people's perceptions about what is and isn’t a disrespectful view or description of a someone.