I absolutely abhor when people claim that children who were abused are abusive parents themselves. That is absolutely a false assertion. First of all, according to the Torah we all have bechira, no one is a carbon copy of their parents to the extent that they repeat that behavior. It is a goyishe concept that we have no independent control over our instinctive actions.
I know many wonderful people who are excellent parents even though they had abusive parents themselves. I know selfish parents and spouses who had wonderful parents themselves.