Is it working, though? You have to hold an incredibly low opinion of the intelligence of the leadership of the rest of Middle East to think they won't realize it's not exactly what it is. The few indicators I've seen suggest they're not falling for it. They might not like the US or Israel, but Iran was nobody's favorite country either.

Edit: for instance: https://x.com/kuwaittimesnews/status/2028445060556095866 They seem to be putting the blame in the right place.