When apps open NWC auth page it creates connections to the custodial Alby wallet. What 😵💫
Which NWC auth page do you mean? Could you send us more details to support@getalby.com?
https://nwc.getalby.com is what apps like @damus and @Nostur appear to use in the settings when selecting alby nwc integration. And even though the linked wallet it alby hub, the nwc conns are to the custodial wallet