Governments want weapons so as not to be subordinate to others.
Solar and wind power are far more easily deployed, if electrical power were being addressed.
There WAS a treaty in place that was torn up. Unilaterally.
A world of unilateral (or bilateral) attacks is an uncivilized world, and likely to perish.
Even with existing nukes. Instability leads to autocratic rule, which is fine with certain autocrats. Remember the summary of this situation:
Deranged leader who betrays his own people
Joins with another deranged leader who betrays his own people
to attack a country whose deranged leaders betray their own people, joined by
A deranged leader who betrays his own people and another
deranged leader who betrays his own people
It's not looking good.
I mean they made a popular comedy around the absurdity of this: https://www.youtube.com/watch?v=GQxX1M2fSOs