Haven't read all, but the OP struck a cord. When dd was about 1 my mum just casually said how she had deliberately been a very different mother to me than her mother had to her, and how she had probably swung the pendulum too far in her efforts to improve on things.
I was aware they had ishoos and that my mum hadn't really enjoyed her childhood (and that her brother was the "favourite"). And she couldn't wait to leave home. But I hadn't really thought about it in those terms.
I think my mum was pretty good, but there are a few areas I had problems with as a child. She wasn't affectionate, and we aren't very close. These people who ring their mum every day or even every week - I just don't get it! - but she certainly allowed me a private life, which her parents totally denied her - she wasn't allowed to be in her bedroom except for homework and sleep! There was respect, there was boundaries, I obviously complained about rules but I always knew that my parents were there if I needed them, even if that was 4 o'clock in the morning and I never abused that knowledge.
DD has had an enormous amount of my love, affection and time, but because of my relationship with my mum I didn't expect her to love me best, and I remember when she was about 10 months, dp said something about "look at her looking at you - she loves her mum" and I was so surprised!
I have done things differently, but not to be consciously different - it's just how things have panned out. Except the smacking. I remember how that felt, that feeling of helplessness and desertion when this person that you depend on hits you so it hurts (i.e. on back of legs as opposed to dad who used to do it on nappied bum).