I actually feel quite sad for her. It's obvious she has mental health struggles and low confidence in her ability as her parent. Rather than gloat at how he is 'winning' her ex partner should work with her to ensure she feels empowered and supported.
The kids suffer if she is unhappy and low and ultimately they should be the priority for both sides. Growing up with such tension and Me Vs You about everything is ultimately going to damage those lovely girls. Whether someone is right or wrong doesn't really come into it. Both coming across immature, resentful and mean. Just do the tit you need to do to to try best not to duck up the little souls you both chose to bring in to the world.
The kids suffer if she is unhappy and low and ultimately they should be the priority for both sides. Growing up with such tension and Me Vs You about everything is ultimately going to damage those lovely girls. Whether someone is right or wrong doesn't really come into it. Both coming across immature, resentful and mean. Just do the tit you need to do to to try best not to duck up the little souls you both chose to bring in to the world.