I think that you actually do compromise your kid's privacy with your blog. I think it's the lesser of the evils though. Fighting for your parental rights, first amendment rights, and transparency is in your kids better interest, vs. not doing it.I had a dispute with the court psychologist, Ken Perlmutter, related to this.
Perlmutter said that it was very important that my kids never learn that the family court ruled against me, or that I was paying child support. He said that my kids have a new family now, and they do not need to know those things. He said that I should tell them that it was my decision not to see my kids. Once a psychologist and a commissioner had decided the best interest of the kids,
He repeatedly asked me why I would tell them what the court had done. He acted as if he genuinely did not understand why a parent would do such a thing.
I explained to him that I had always been honest with my kids, and I believed in telling them the truth. They had been led to believe that I had abandoned them, and complained that I never do anything for them. I said that it was wrong for kids to be told such falsehoods about their own dad, and furthermore there are numerous studies showing that it is harmful for kids to believe such things.
He admitted that there is no objective evidence of harm in telling my kids the truth, or in anything else I had done. His reasons had more to do with his greed, his vindictiveness, and his religion.
No, I will not tell my kids that I abandoned them.