Sometimes I can be downright grouchy, truth be told; I have many faults and, sometimes, that’s one of them.
But I haven’t yet lost my cool so badly as to write a letter to a client calling her an obscenity in print, wishing her malice and insulting her progeny.
From page one of AGC v. Basinger:
After learning that Keys had denied that she had retained him, Basinger mailed to Keys letters in which he called Keys “A TRUE C[**]T” who had “finally f[***]ed up one time too many”; called Keys “a reprehensible human being” with “worthless progeny” and a “pathetic and dysfunctional world”; accused Keys of being lazy and dishonest, engaging in “defamation” and “absolute evil behavior[,]” and “trying to weasel [her] way out of paying the full amount of [a funeral chapel]’s bill”; suggested that Keys perhaps was responsible for her grandson’s death; stated that, if he ever saw her again, “it [would] be too soon”; and wished Keys “only the worst from here on out.”
If you are that unhappy with a client, you should simply terminate the relationship (in a manner consistent with, and to the extent permitted by, applicable Rules.) Some clients deserve to be fired and a few rare ones deserve to be chastised; none deserve to be hit with obscenities.