Except most of the countries with nuclear weapons (including Russia, the US, UK, France, etc.) are not there since they decided not to attend. So it's not terrible useful. It's also another example of how useless the UN is that they would bother having this meeting without any of the players there to actually make any changes.
Except now every hacker group in the world is working to figure out how it was done so they can replicate and use or sell the method. Only a matter of time until it leaks out or is figured out.
Except most of the countries with nuclear weapons (including Russia, the US, UK, France, etc.) are not there since they decided not to attend. So it's not terrible useful. It's also another example of how useless the UN is that they would bother having this meeting without any of the players there to actually make any changes.