So it will say:
"(In reply to John Smith from comment #4)"
rather than just:
"(In reply to comment #4)"
This is done on the bugzilla.mozilla.org itself (as well as many email programs). I think attribution would definitely help in this context.
Version: unspecified
Severity: normal
See Also:
https://bugzilla.mozilla.org/show_bug.cgi?id=653634