Is my dad wrong for guilt-tripping my brother for hitting him back as an adult?

Honestly my brother hit him back (man to man; treated him like another man) as an adult in his early 20's. I'm tired of this ''oh you hit your own father, mother'' thing but expecting your older child (either in their teens or adult) to still have self-restrain, still exercise more self-control than them. That sounds like double standard and hypocrisy. I would still have self-restrain and be the bigger person (I believe in walking away) but not everyone will react like me.

Wouldn't that double standard (parents can get aggressive but child can't) be similar to screaming in my husband's face, not letting him leave but expecting him not to push me aside? Ideally, no one should ever get aggressive with a loved one. Secondly, if you're getting physical first and that person is already furious, isn't it even a dangerous position too? Instead of a verbal argument, the person can now hit back too.

My father landed the first hit. He escalated a verbal, heated argument into a physical fight. He started it and my brother (who happens to be younger and stronger than him) hit back. My father ended on the floor for several minutes.

Is my dad wrong for guilt-tripping my brother for hitting him back as an adult?
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