With the all Nostr possibilities and applications that will come out, Nostr will supplent fedivers in matter of years.
Discussion
it already is supplanting it, one of their great devs nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6 has been converted, the fedi is over