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Even if you're affected and angry, you would have to figure out who would that affect and what outcome it would serve you. Anger is not a pleasant feeling and you're hurting by experiencing it longer than needed.
What had transpired is indeed disappointing, yet, you do not have full control of what others do including him and your daughter.
He has free will as anyone else, and at times it is more healing to accept that (he would feel heard and respected) If he is keeping in touch with you, then you can treat him lovingly like you have. He must be figuring things out himself if he is going to counseling and growth takes time.