If I've helped in any way then thank God my experiences have been worth something positive!
Neither horrible nor bitter Sunflower - not words I'd use to describe you or any aspect of what you've done or how you've conducted yourself.
Anyway, he knows full well you're not actually horrible or bitter, it's just a 2-for-1 deflecting tactic to a. make you doubt yourself and b. take the heat off himself when you strike home with a particularly pertinent observation.
I was thinking last night about the frustration of dealing with this type of person and thinking specifically of my XH. He and his family cannot see that they have damaged my DD over a good number of years (all sorts of low level but ultimately psyche damaging stuff over the years that's chipped away at her) - they cannot correlate any of that damage, acknowledge it, understand it, accept culpability for any of it - not one jot. Not one of them. For her sake I had tried 4 years ago to set out what things they'd been doing and how it had hurt her and predicting that if it carried on she wouldn't want to see them any more. And I did that foolishness even though I had been married to this utter chump for 16 YEARS and should have known it would make no flipping difference whatsoever! I mean, how stupid can you get? And even now a good 5 years on I have to continually take several deep breaths, step back and ask myself - if I mention this issue/point, will it make any difference? The answer is always No and to me it feels incredibly apathetic to do nothing, say nothing. But there is no alternative other than you wind yourself up and stress yourself out. As they say in Frozen, you have to 'let it go' because you just can't win, you cannot effect change.
Interestingly, when she did in fact stop 95% of her contact they gaslighted her would you believe a 14 yo child! They said if she doesn't want to see us, she needs counselling. Not counselling to help and support her - but because they were labelling her as mental! It was nothing to do with them apparently, the only possible explanation must be that she is nuts. I admit it, I confess, I did respond and suggest that they enrol in family delusion therapy themselves.... (they didn't, obviously)
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And I mention all this not to hijack your thread OP, but to illustrate to anyone currently dealing with someone like this who reads the thread and thinks "Ah, no, I am the one that can get through to this man," or "Oh my situation's different" - you won't be able to and it isn't different. This is a type. And they may be packaged slightly differently and the issues may be different but the intractable nature of their thinking is the same for all of them. How hard you try, how differently you frame it, which tactics you employ to get your message across - none of them will work.
Just keep your course just as you are because you are right to want an end to a situation which is completely untenable, you've given more than enough time for change even before your recent more overt attempts to get the message home and what you're doing is absolutely right and correct.
You know people say to me (like it's a good thing) "Oh, when the kids get older they'll realise he's a total failure as a father". Firstly, that's never a good thing to realise and secondly, no he won't. And when I say that to them you can see the confusion in their eyes - they (luckily) have not come across someone like this and cannot imagine that people like this even exist who wouldn't be regretful, ashamed and horrified at their treatment of their children and that it had damaged them - they simply cannot imagine it. Until people like us realised we were getting nowhere (which in every case I know of where it's a first timer coming across one of these people, that accounts for years of time). They are an intractable force of twisted self-belief and self-image that won't/can't be changed. And I think it's can't rather than won't because you can't work with can't, you can't effect change in can't; you could potentially turn around someone in the won't category or they eventually have an epiphany and make the change themselves usually after catastrophic relationship failures.
I hope so much that you and DD will have a good Christmas despite all this stuff going on. Stay strong and keep going with the steps you feel are important and the pace and content that you feel you need to address.