Linux on my personal computers for sure. Work? Mac all day. I can install required software and I don’t need some janky Windows terminal emulator. It’s hard to justify Windows for anything besides gaming, and even that is questionable with Linux gaming distros now.
I’m all for more cycling and getting rid of cars entirely, but this is reaserch methods 101. One of my college courses was entirely about finding flaws in research, and this is a great example of a study that has an intended purpose, and very selectively shows the data they want it to show. And with things like qualitative data that requires an opinion to show in the first place, you can throw this out as junk from the getgo. This is popular science made for click bait headlines.
There are career hackers. Pen testing and white hat hacking is very much a thing. I’ve been in software for two decades, some of the most talented people I’ve worked with had similar back stories.