If your current setup is satisfying your needs don't change it. Linux Mint is quite similar to Debian when it comes to the base.If you want to try and learn new thing maybe look into Bash scripting or Docker. Think of something useful you would like to have and try creating it.
I doubt the "ethno-state" is the main issue here, but rather late-stage capitalist (religious) authoritarianism like the oppression of Uyghurs, Ukrainians, Rohingya, Sudanese or Iranians.
Sulphuric acid is not the clean and easy method to dissolve a body as you might think and Hollywood might suggest.