Their opinions are hard to change because they have been living their whole life believing in the past philosophies an opinions. As you get older your long term memory expands hence why older people always talk about the past like it was yesterday and even act childlike.
I will always remember my grandparents.
I don't have grandparents anymore.
Gramps died of a stroke before i was even born and Granny died 7 years ago of old age.
But granny was a pretty old fashioned lady. Smoking tabacco and making sweaters and such.
They said i could become anything,so i became nothing.
I'm 26 years old and I have to say I am more old school then my grandparents are.... I have to agree with your grandmother tv and movies today just terrible.