Yes, Israel has spied on and stolen nuclear material from many countries, answering your own question as to why the world will be better off without them.
I'm pretty sure most countries spy on many countries.
> answering your own question as to why the world will be better off without them.
That wasn't my question, the question was how would Civil War and Total Collapse of a nuclear armed state like Israel be good for the entire planet as you've suggested?