In the Buddhist tradition, where mindful meditation comes from, anger is regarded as a somewhat unhealthy,unskillful emotion because we can be blinded by it. We don't see clearly and tend to do things and say things that are harmful out of the anger because we don't have clarity.
It has been said in praise of some men, that they could take whole hours together upon anything; but it must be owned to the honor of the other sex that there are many among them who can talk whole hours together upon nothing. I have known a woman branch out into a long extempore dissertation on the edging of a petticoat, and chide her servant for breaking a china cup, in all the figures of rhetoric.