nothing gets out of your brain on its own, except heat.
I heard a recording of a song made by reading a brain that was thinking that song. It was far from perfect, but you could tell which song it was. I’m no neuroscientist, but if that information can already be plucked from a brain, surely that’s proof that reconstructing thoughts is possible to some degree?
https://www.sciencenews.org/article/neuroscientist-pink-floyd-music-brain-activity
A vast patchwork of incredibly different lifeways that you can flee to whenever then taxman and his goons come round.