Indirect evidence:
1. He has not challenged the statement.
2. The other items: kicked out and no college money are documentable. That increases the probability that the whole thing is true.
BTW, this man is a grudge carrier...reparations??? In anyone else it would be called liberal whining.
The adult daughter has taken the matter public and has very clearly announced an family-repudiating agenda in the process.
Your internal evidence doesn't wash unless you already have a personal animus and bias against the father.
Intelligent and informed people know the content and context of his statements on reparations. Don't think everyone is buying your BS on that.