Reasoned criticism of admin actions, such as one might find on any noticeboard, is not disparagement ( which a dictionary defines as " to speak of or treat slightingly; depreciate; belittle " ), nor is it threatening, intimidating or harrassing.
12.
Nellie Stewart, in her memoirs, wrote " When I hear people talk slightingly of this big man I cannot bear it, for he was the most generous of men, and he was at all times far more likely to suffer from brigandage than to resort to it.