I flashed a couple of my old PCs but they had little storage so I couldn’t run a node with a lightning node and all the things I wanted to run on either of them. I eventually gave up on the project but they do have enough storage for small things like pictures and documents so I could revisit it! But yeah I’d imagine something really crazy would have to happen for people to actually do something about their data. They’d still want someone else to do it because most people don’t understand how to set it up or manage backups/recover them. Ideally, that’s what the division of labor is for but big tech and all their data harvesting makes it riskier than it needs to be.