My general view is that church members should have lots of bitcoin and the church organization should have just enough revenue and reserves to meet a few months expenses. Therefore, I have no problem with a church using someone like nostr:npub1xkere5pd94672h8w8r77uf4ustcazhfujkqgqzcykrdzakm4zl4qeud0en since most of the donations will be turned into US dollars for now to meet expenses. Anything extra bitcoin can accrue value with private keys managed by a reputable custodian. Custody set ups get hard especially for a church operating under 501c3 of the tax code and for churches that routinely rotate members through leadership. This would allow members to learn to use bitcoin and if the time comes, where the state becomes the enemy of the church, members will be ready to use bitcoin P2P to support staff directly and cover ministry expenses.