The point is to have verifiable identity that is tied to something more secure than a (not random) 9 digit [0-9] string and an address.
Your name is on the chain, the assertion you're you is done with your private key.
Your name is on the chain, the assertion you're you is done with your private key.
Point is, key management is hard problem for big corporations with dedicated IT staff. Relying on normal people to be able to do that is just insane.
It was all just a test with non-critical data, but the test was a total failure. And that didn't even get into key-related issues.