Increasing the odds by introducing hundreds of players some willing to gas their own people is rolling the dice. The few countries that have the ability has been responsible but that does not mean that will always be the case or new players will be as responsible.
In about five billion years the sun will run out of hydrogen and expand, engulfing Mercury, Venus, and likely Earth.
In the mean time, you could respond to the argument I actually made.
The level of organisation at the state level required to build a working nuclear weapon, along with the forces working against that, eg. how difficult it’s been for Iran to get across the line, and the fact of the near miss you mentioned, allows most of us, it would seem, to sleep well at night.