I think you’d struggle to find much evidence of home distillers getting busted. If you’re not selling the stuff, you’re probably not the TTBs concern.
Again, depends heavily on the country. Some countries don't care about the theoretical/actual impact of committing a crime, and will chase and charge you regardless if it's for private use or not (which, kind of also makes sense). In my personal experience, Sweden is one of those countries, I'm sure there are more out there.