Not really… Many are just devs used to say Windows who happened to get to work in a linux environment.

GNU has interviews and more clarifying all the way back to MIT AI lab, lisp machines the printers proprietary code triggering free software movement, etc.

• https://www.gnu.org/philosophy/speeches-and-interviews.html
• https://www.gnu.org/philosophy/essays-and-articles.html

Linux just happened because GNU hand’t developed a proper kernel yet; Linus wrote that himself on an mail to the Linux Kernel or Minix mailing list IIRC.

NixOS for declarative system configuration.

NixOS definitely. The disk encryption with keys you may need do that manually though.

Yes, for video files, needs to convert to MOV:

ffmpeg -i input.mp4 -c:v dnxhd -profile:v dnxhr_hq -pix_fmt yuv422p -c:a pcm_s16le -f mov output.mov