All reports of killall-is-dangerous for the archive. The extended description of this tag is:
The maintainer script seems to call killall. Since this utility kills processes by name, it may well end up killing unrelated processes. Most uses of killall should use invoke-rc.d instead.
Severity: normal, Certainty: possible
Check: scripts, Type: binary
This tag has not been emitted in any package tested by Lintian.