Well that's nice of him to be sorry you feel unsupported, but is he sorry for not supporting you? Is he sorry for putting you in the position of 'feeling unsupported' by not fucking well supporting you? No, he isn't.
Because this carefully worded and trite little statement, that is not an apology. I know you know this op, and he bloody well knows it too. He's trying to be a clever-dick. Not very attractive.
The only thing he's sorry about is that you are speaking up and asking for your needs to be met. And he can't be bothered. Because you're not his priority. He is his priority. Ugh.
And him not liking the word fault ffs! How does he feel about the word responsibility? Because he's refusing to take responsibility not only for his part in family life, but also for his selfish and unsupportive behaviour.
He sounds like a sanctimonious, self-righteous, selfish, passive aggressive prick. Again, just not attractive. For him it seems more important to win, to score points, to put his clever little twist on things...than to actually be a man, a supportive loving decent partner to you and father to his child.
I'm sorry you are having to deal with facing this, I really am. 