If she was in her 20s when Wolfenstein came out in 1992, then a year later she could have had a kid, and 20 years later her kid could have had a kid, and then 13 years later the grandkid makes this post

We're all old to someone in school

No, you are young and hip 😎

My neighbor who is in her 80s used to play NES. So them being a grandmother doesn't really factor in one way or the other.