I feel like you aren’t reading the responses both myself and nostr:npub1zafcms4xya5ap9zr7xxr0jlrtrattwlesytn2s42030lzu0dwlzqpd26k5 have provided.

Primal, is a centralizing service, and making decisions on the content they determine is acceptable to forward to their UI/app.

Damus, shows you all the content that is on the connected relays as expected and what any real Nostr app should do.