Those are great questions, and I think, as you say, this won't be straightforward or easy to achieve. But in the long run, the union will need some sort of shared defense framework in place, and now is a good to start discussing it.
I guess these "older people" won't be around when this eventually becomes a reality.
So, all this disruption for things to stay the same in Iran. With the addition of the strait being closed, soaring prices, supply chains being messed up, among many other side effects.
Can we now call it by its real name: Epic Failure?
It's a start