No one is forcing you to enter anything.

Optionally you can enter any npub or nip-05. For example gigi@dergigi.com. Doesn’t have to be yours. 

Latest nostr:npub10r8xl2njyepcw2zwv3a6dyufj4e4ajx86hz6v4ehu4gnpupxxp7stjt2p8 version has curated lists by zap.store, nostr:npub1gcxzte5zlkncx26j68ez60fzkvtkm9e0vrwdcvsjakxf9mu9qewqlfnj5z, nostr:npub1dergggklka99wwrs92yz8wdjs952h2ux2ha2ed598ngwu9w7a6fsh9xzpc which do not require login.