Just watched a video on Facebook of a woman confronting another woman who entered a playground and sat down without having a child with her. The woman was shouting at her asking her why she was in the playground if she doesn't have any children with her. This happens a lot where I am adults will come and sit down in the playground on the benches. (To be clear I am referring to a children's playground gated with swings and slides etc not a park with loads of grass and benches) although this isn't something I would do personally AIBU to think this is ok and she shouldn't be confronting her and recording her? Lots of people in the comments agreeing with the woman and saying she was right to confront her.