This worries me too - a lot. So much so that I'm working on a video series documenting the creation of a personal photo & video storage system from scratch. My belief is that one way to extricate our data from big tech's catacombs is to spread more widely the skills needed to build out personal data stores.

I'm starting with photos & videos because my own collection is trapped in Flickr, and it may not be long for this world. I intend to build out such a system and publish instructional videos on how to do it as I go along.

Imagine a world in which more or less everyone can do this. It's not such a long shot, don't you think?