Even if you buy all the other revenge porn drivel... the idea that such a driven/competent guy would be such a marshmallow for his spoiled kid and have such a shrew wife? Strikes me as a bit tough to swallow.
People at his level of accomplishment... business, sport, ultra-spy, politics, tend not to let personal junk like that into their lives. That's how they get there. They may have weird family issues (as we all do) but they are able to let go.
Since no ultra-spies live on my street, of course I'm just spitballing.
OK but at the same time he was trying to make amends for abandoning them in service of his country. I don't think it's fair to say he was a sucker. He made Lenore fight tooth and nail for what she wanted and since she had custody and he wanted to build a relationship he had no choice but to adjust his attitude. He had to change or lose his daughter forever.
I've had a lot of sobering thoughts in my time Del Boy, it's them that started me drinking!