alt Hacker NewsPG spoke about the worm a bit in an interview here: https://aletteraday.substack.com/p/letter-85-paul-graham-and...
Some quotes from that:
> The worm, no one would have ever known that the worm existed, except there was a bug in it. That was the problem. The worm itself was absolutely harmless. But there was a bug in the code that controlled the number of copies that would spread to a given computer. And so the computer would get like 100 copies of the worm running on it, back in the day, when having 100 processes running on your computer would be enough to crash it.
>he called me and told me what had happened.
I suppose the notion that you could just distribute untested software onto an unlimited amount of other peoples computers without consent wasn't yet considered unethical so therefore the worm was perceived to be absolutely harmless by rtm and pg. Just some minor details they couldn't possibly have seen back then.