I have the same issue except that you came from joycon update while ive done it several times commong from something that could have make it go to - unable to run software -any game. It happened to me the first time i connected my oled to my laptop and tried copying to the sd card. After...
It's not the movies or games downloads that I would worry about, like breaking into networks, downloading encrypted things, spying on network traffic. I have seen so many "Top Secret" seals on files when I was a kid
I was obsessed with finding UFOs, a surprising amount of US files where stashed on computers in other countries, China back in the early 90s omg sooo much