I did take a quick look and it is from Catholic women with positions and ministries.
I understand that but that wasn't my concern.
What my concern is that in signing the letter all you have to do is give your NAME, your EMAIL, STATE and COUNTRY.......And there you go, you're a "Catholic" who supports whatever this letter is citing......
While I'm not an atheist, I'm also not a Catholic but I can sign the letter and claim to be...............