Yeah. Emphasis on the "seem" part. A false sense of security brought on by, "If binary artifacts for package _foo_ can't be ported between distros, what chance

Yeah. Emphasis on the "seem" part. A false sense of security brought on by, "If binary artifacts for package _foo_ can't be ported between distros, what chance do worms have?" plus the even older memory that the Morris worm had been designed around (and limited to) certain target platforms and architectures: https://en.wikipedia.org/wiki/Morris_worm https://en.wikipedia.org/wiki/Morris_worm