I think NIP-05 aliases are far from being a must have!

Some people with personal registered domains may find it useful to add a domain alias to their pubkey.

Or maybe in a Company it could be useful as a way to announce their official pubkey.

But I don't see any value on it for the normal user.

I even think assigning a checkmark in the UI to every user with a defined NIP-05 alias is misleading and helping the spammers and scammers.