My suggestion is to follow more people and engage with their notes with authentic comments. Theres real people on the other side of the screen. Whenever I participate, I have no lack of engagement. Not saying you're this way but in general, irl, you cant stand in the corner of the room not talking to anyone and expect ppl to come up to you and strike up a convo. Have to treat nostr the same way, it's not legacy social media where engagement is spoon fed.