If you're going to dismiss dialectical features of old films as "theater affectation", that's also going to work against your thesis that old films and speech r

If you're going to dismiss dialectical features of old films as "theater affectation", that's also going to work against your thesis that old films and speech recording in general exerts a conservative influence on dialect change, isn't it? And I mean...actually listen closely to these people's accents. You're really going to claim that there's "absolutely no change at all" between them and your teenager? https://www.youtube.com/watch?v=amclN9RG49c https://www.youtube.com/watch?v=amclN9RG49c