Since I am convinced Singapore Visa office is determined to deny no matter what evidence I present. the appeal looks like a better option.
You are 'convinced' of a lot of things. And yet you do not seem to have listened much to anything anyone else has said here. You convinced yourself of certain things beforehand and - it seems to me - you are not open to listening to others, nor searching out information that might disagree with whatever you already think, only things that confirm that.
I don't mean this to be overly harsh - but I don't think providing you with more information is going to change your mind.
So good luck; I just doubt that anything more I could say would have any impact.
Basically the issue I raised is that if an Israeli Canadian wants to return back to Canada because of the war, they face the obstacle of proving they intend to return back to Canada.
The issue you raised is patently nonsense. Israeli-Canadians - PRs and citizens - face NO issue whatsoever returning to Canada. They get on a plane to return to Canada. That's it. They do not remotely need to prove they have an intent to return to Canada. (Those without current documents might have to renew them or get temporary docs - which the Embassy actively facilitates.) Holders of Israeli national passports can also travel to Canada without even a visa, just an ETA. (I won't even honour your other statement with the dignity of a response; it's just laughable in this context)
The 'intent to return' ONLY applies to those who wish to sponsor their spouses from abroad. It's easily dealt with by ... actually returning.
There are family reunification policies that can be somewhat inconsistent - but in your case it seems your spouse did not even apply for a TRV until more than a year or so into the process, and only AFTER you got a PFL.
And please, your spouse is not in a war zone.
