He isn't trying to sort out the Middle East.
As @Rockybooboo just confirmed, the comment that is widely misattributed as something that he said, is actually something that was said to him (during State Visit in 2018)
This is why you only hear about it occasionally - because it's not true, just a myth that persists
Homewards OTOH is something to which he has given considerable backing, and he must know that people will be watching out for progress.