When did that start? And what stores/facilities?
Oh, my, where have you been, Rip Van Winkle? This has been going on for about four years.
https://www.chicagotribune.com/news/ct-transgender-menstrual-products-20191112-2rqexd75efezhp2r4oy7njdmju-story.html
https://www.washingtonpost.com/news/morning-mix/wp/2016/09/09/free-tampons-for-all-at-brown-university-this-school-year-even-in-the-mens-room/