pull down to refresh

That's a feature not a bug. Nostr doesn't feed you random stuff, it feeds you your follows
Id say if your content isn't there trying plugging in someone else npub in and find new and different people to follow.
I am really interested to see what social media platforms look like when the incentive is to receive money directly from users rather than advertisers monetizing their attention, and with anyone being able to develop clients using the same protocol.