So in other words, their computer needs have changed significantly.
You can't do most modern web-related stuff on a machine from the 90s. Assuming you could get a modern browser (with a modern TLS stack, which is mandatory today) compiled on a machine from the 90s, it would be unusably slow.
If they want to travel they go to an agency, they still go to the local bank branch to do their stuff, news only what comes up on radio and TV, music is what is on radio, CDs and vinyl, and yet manage to have a good life.
You can do modern TLS stuff with a machine from the 90's if you cut own the damn JavaScript and run services from https://farside.link or gemini://gemi.dev proxying the web to Gemini.