I use Primal alongside Damus for four main reasons. 1. Because I can (Nostr keys for the win). 2. Primal Wallet for receiving zaps on both clients. 3. Binned my personal domain NIP-05 and replaced it with a custom one from Primal that matches my handle. 4. I like testing.

With the current state of LNURL wallets out there (and Apple Store stupidness), I think Damus is a little more confusing to set up for zapping (NWC is not immediately obvious), so Primal (client + wallet) is going to work for a lot of newcomers.