Referring to all black people as "chimps" is uncharitable and not reflective of a Catholic attitude toward race.
That said, referring to people who behave in a bestial manner with a bestial epithet is not at all contrary to charity - it is merely pointing out what is obvious. And black people (in America at least) have shown a disporortionately high propensity toward bestial behavior.
There doesn't seem any need to call it bestial -- American Blacks are hypersensitive in a way that those of us Blacks from other countries are not. It would incite rage because it recalls a time when Blacks were thought to be subhuman.
It might be better to call the conduct criminal and anti-social, because it is. IMO, the criminality in the American Black community is happening because of the destruction of their families, which is unprecedented globally, and never existed in Black Africa. Morals, restraint, decency, and ethics are not being modeled by fathers (their fathers model criminality and irresponsiblity). The mothers take on a masculine role in earning and likewise in behavior.
This is a catastrophe. I've worked with Black youths and have seen it first hand. They will be imprisoned at higher and higher rates because of the extreme aggression and anti-social impulses they show. They will become increasingly unemployable and isolated, and it will be everyone's problem, which is why it should be addressed by people of all races.
Animals are not rational. They are driven by instinct and appetite.
Men who are enslaved to their appetitive passions degrade themselves to behavior that is by very definition bestial, and there is nothing wrong with calling it such - St. Thomas Aquinas certainly never shied away from the term.
"Bestial" is more accurate because not all criminal activity is bestial (usury and embezzlement for example) and not all bestial behavior is criminal (fornication, bastardy, gluttony). Not, to be sure, black people do not have a monopoly on bestial behavior, every preson is suceptible due to the effects of Original Sin. But in this nation at least (where I was born and have lived all my life and thus can speak with some authority) blacks show a disproportionate propensity for all kinds of bestial behavior. This is due to a number of different factors, including, the mass migration from the rural south to the industrialized north, the subsequent destruction of the family from unemployment, enslavement to welfare programs, persistent exposure to the "noble victimhood" propaganda (all of which is the result of more than a century of Jєωιѕн meddling and scheming) as well as, it must be admitted, certain deep-rooted cultural mores and perhaps even racial disadvantages with respect to natural intelligence (and there is nothing "racist" or anti Catholic about pointing out the plain truth that races have such weaknesses and strengths).
But I'll do no wringing of my hands over "hurting the feelings" of anyone whom the terms accurately describe. As I said when some here parroted the liberal talking points about "Charity" when it came to the use of derrogatory epithets for Sodomites - obscuring the truth over concern for "sensitivites" is never charitable.
Darwinian racial theories are, of course, incompatible with Catholicism. But racial predjudices are not evil per se, but are pretty universal, natural and even healthy. "Racism" is not the big, bad bogeyman that the ѕуηαgσgυє of Satan demands us to believe that it is.