The pressure to conform to 'politically correct' speech is primarily a pressure not to use certain expressions. But when our freedom to use certain expressions is taken away, then our ability to think in certain ways is also curtailed.
Wayne GrudemThe sufficiency of Scripture means that Scripture contained all the words of God he intended his people to have at each stage of redemptive history, and that it now contains all the words of God we need for salvation, for trusting him perfectly, and for obeying him perfectly.
Wayne Grudem