Since he runs the server... nostr:npub1drgxr8g4cmldl3twkeujsayelez2h7wrjkp553h767s90sep5khstd7yxw
... can terminate any account or block external instances for any reason at any time.
nostr:npub18994crjwnldrukwym5lz3y2nae84s84v20m2rkngtjnyg549lr6qvxmd6m