> By internal, I meant a limited audience.

Well, It surely did not work out that way, and I stand by my caution to folks that however its defined (limited audience, private list, etc.) there will be someone to spread it beyond the original intended audience.

Is it? If he has a pattern of making statements deemed by HR demeaning to women (or whatever the problem was) as was told "don't keep doing that or else you're fired" this could easily be seen as violating that agreement.