It was from an interview with the PM of Israel, where Elon stated they will introduce “lower tier pricing” for premium. There is no mention of charging everyone to use X.
At 34:40
https://twitter.com/netanyahu/status/1703806204894498966?t=hoV3axpQWwWNmwQ8yPu65Q&s=19
Nostr has a small userbase but on the right track.