Hello Hito, and welcome to dreamviews.

Video games, television, movies, comic books etc do have an impact on a person's imagination, so by extension their dreams as well. Many of the older generation lived a different life than we have. They lived in a time where much more emphasis was put on having a house and a family, working hard and being a good citizen. Worldy things. They didn't have much time to fantasize about or dwell on Dreams they had the night before or dreams they would like to have soon. Many people today still have that same lifestyle.

This is how I view the reason for why older generations either haven't had or can't remember having a Lucid Dream.