Another example I've see in America is with the word "black". I can see them banning or attempting to ban that word entirely over there.
Black people are African American, whereas white people are still white people, oddly. Its gotten so bad, that the PC brigade are scratching their heads trying to figure out what on Earth to call an actual black sheep.
Even here in the UK, authorities have decided it best to side-step the problem altogether, and just call it a "rainbow sheep".
Nursery opts for "rainbow" sheep
If black is deemed offensive, then surely so is "dog".