Who would want to attack Iran for which reason?

Attacking Iran, in this context, is indeed an attack on all Muslims.

The thing is that there is really no need to attack Iran.

The war started when Iraq attacked Iran in September 1980.

It does seem as if the West wants to attack Iran, but doesn't quite have the courage yet.

"It is my opinion that this mission to attack Iran will ultimately fail."

That advice is: Do not attack Iran this spring or summer.

Now there are rumors of plans to attack Iran.

Israel absolutely does not want to attack Iran - as the price would be terrible for its citizens.

It would not be a good idea to attack Iran that way, because the nation thrives on martyrdom.