That was much less true by the end of the 1990s. Partly due to things like BSD’s improved signal handling. And partly due to the userland code quality improveme

That was much less true by the end of the 1990s. Partly due to things like BSD’s improved signal handling. And partly due to the userland code quality improvements from the BSD and GNU rewrites. Shell scripting is still a nightmare for error handling, but by the end of the 1990s there were better scripting languages available to use when that matters.