Then you didn't read the fine line. He was making a subtle reference to power politics how to abort a process. Properly or abrupt. A certain fraction of the group wanted to forbid this abrupt termination and only go through signals, so that everyone involved can have their say and be informed. This particular function sidestepped it, and as such was politically loaded.
Removing this reference would remove the questioning of proper usage and the politics behind.
But since current glibc maintainers are more worried about their profile than good documentation RMS vetoed.
The proper term for the first variant is "kill all children", which is equally loaded. Next would be to change kill child to something worse, and go away with master slave.
