I agree with you, this is a very valuable characteristic.
I know many people camp on names that others might use because they can.
It is unfortunate, and we also have the similar name issue with people creating similar names to collect funds mistakeably sent to look alike addresses.
Petty theft type stuff, which doesn't speak highly of those who commit this type of offense.
It makes it an added expense for a reputable project to also buy or create accounts with look a like names to protect their potential customers from their mistakes.
Cryptocurrency is full of landmines or ways to lose your money.
It's a huge take responsibility for your actions, even when you don't understand eactly what your doing situation.
I hope Dash's efforts help prevent these issues.
:)
We're doing our best!
Once you can stack usernames, it'll be a lot easier to tell you've got the right person.