You just need to listen to the various generations of the royal family to see that RP is effectively dead. I read somewhere that accents “move” up the social h

You just need to listen to the various generations of the royal family to see that RP is effectively dead. I read somewhere that accents “move” up the social hierarchy over time. Aspects of speech which are widely working class will eventually become traits of the upper class - while meanwhile the working cm lass have moved on.