Otherwise we would be in the unenviable position of feeling obligated to defending everything done by our spiritual ancestors, which would be not just immoral but impossible.
It makes me wonder if somewhere there exist RCs who defend the forgery called the Donation of Constantine, or the judicial murder and confiscation of the property of converso men and women judged as being unrepentant heretics by "Church"-sponsored/staffed inquisitios.
No they will just change the subject.