[d-cc]

Id imagine fingerprints will probably be sufficient no? Surely there are other biological identifiers that will serve as a functional replacement?

[kstrauser]

Maybe, but who knows? The Worldcoin people are making this a problem, so it's up to them to fix it without increasing the burden on people who can't use it as-it.

[MichaelZuo]

When did this become a worldwide standard?

There are many cases where those making a problem never fixed anything. In fact too many cases throughout history to enumerate.