I'm in my 30s, not a boomer, nor an idiot. I am probably more eco-conscious than you if I had to guess. I literally own a solar panel, 2 power stations, and a PHEV (I drive like a turtle intentionally to maximize the battery's longevity and coast and avoid coming to a complete stop as often as possible between destinations), and have shamelessly, openly criticized people at my workplace who misuse/ignore our recycling procedures.
What I'm saying is that we can only do so much, and there's no point in living your life in nonstop negativity. I know that I am doing my part so I will be actively happy about that. Your only defense to step back further is to tell me to join the Voluntary Human Extinction Movement (VHEM), to which I say: sure, but you first.
Syncthing is Win+Mac+Linux-compatible! That's actually what I was going for, but didn't think of looking for a portable version for some reason... Thanks for the idea!
And DX on Android, and Syncthing to match their changes, right?