I have been using Plex since 2014, paid for the lifetime pass back then. It is by-far the most used piece of software I've ever relied on (excluding any general purpose software like OS/Browser).

I have my family setup on Plex, my automations, my apps, my preferences, etc. I'm so comfortable in Plex that until they do something catastrophic to my experience, I can't find the motivation to train my mother to use another app.