Or ask what wallet to open that's not just a builtnin nostr wallet. Like ask if I want to open Zeus to pay the invoice.

They want to give you that itchy feeling of "Wait can this application see inside or make requests of my HOT lightning wallet?

Because Primal has always been a pain like this. Some Nostr devs are oppositional to showing invoices to pay from your wallet of choice, insisting that you instead use NWC or don't zap. It's one of the big reasons I almost never use Primal.