If he said that, then that's good.
I just usually find it healthier to focus on the self instead of encouraging people to hold on to blame in others. The example of calling someone "ugly" is stark, but there are more nuanced interactions where everyone is best served by assuming no ill-intent at all or by taking a higher road.
Not saying anyone shouldn't still try to operate with empathy and awareness for others' emotions, but there is currently a parasite in society feeding off of blame, hate, and justification. Also people are all too willing these days to not hold themselves accountable for their reactions from whatever triggers them - no need encouraging that mentality by isolating one bad behavior