If there were such a "campaign",There is no need for the word if there.
The fact that there is such a campaign is without doubt.
is this how you would go about calming it down?By pointing out that it is being instigated, and pointing out who is doing the instigation?
You bet.
I think Jim did the right thing here.
Had the Email (which Jim wrongly associated with LF) actually originated on LF, or been associated with LF, you might have a point.
But of course, it didn't, and it wasn't.