I use kanidm because the footprint is lower than the alternatives you mention, and it’s written in Rust.

Vautlwarden as a service is great and since it’s GPLv3 licensed there’s no way that can be shut down. But the client is another matter and maybe that doesn’t stay open for using it with Vaultwarden forever https://www.osnews.com/story/145029/get-your-passwords-out-of-bitwarden-while-you-still-can/

Anti-corruption and anti-money laundering is way more effective when there’s no “blackspots”. Makes it so much better when you want to follow the money. As a very privacy concerned individual I, I assume that the reason for insisting on this data be given is to fight back on corruption and money laundering. At least this Is what the bank tells me when I challenge them on this. Maybe I’m just naive sitting here in comfortable Scandinavia