I could just say you don't scare me, but I don't think that would be very helpful, since that's what a lot of people say when they're afraid. Instead, I want to explain to you exactly what's wrong with your threat from a logical and strategic perspective, because you're making some very serious errors in reasoning, and putting lives (including yours) in needless danger.
First of all, you have a credibility problem, and it's not what you think. Your organization has taken great pains to make its threats credible by releasing videos to prove that it is willing and able to murder people. To be sure, you really do have a long way to go to make me actually fear you, because realistically, you don't really have the resources to make yourself a statistically significant danger. There are 30 million Canadians, after all, spread out over a vast territory; most of us are going to be pretty safe from you no matter what. Also, there are lots of other dangers that you can't control, and which are much more likely to kill me. A couple of years ago I had part of my bowel removed for Stage III colon cancer, and the chemo seems to have been successful, so I probably won't die from that, but maybe there's some lingering metastasis hiding in my organs somewhere, or maybe a completely new cancer will form, or maybe I'll have a heart attack or a stroke or get hit by a truck or freeze to death or get eaten by a polar bear (this is Canada, after all). Why should I fear you more than these things?
But as I said, that is not the real credibility problem, and in fact solving that one will only make the real one worse. You see, I already believe that you're willing and eager to kill me if I don't comply with your demands. You don't really need to prove that. What you do need to convince me of is that you will not kill me if I do comply. In other words, you need me to trust you, and that's really hard when you spend so much effort trying to make me fear you. And this is especially a problem in the case of random terrorism, where people get killed for just being in the wrong place at the wrong time. You don't know -- or care -- who you're killing, and so you don't know that maybe the person you just killed had written letters to her MP demanding a change in policy, and had done everything you asked. So if you're just going to kill me anyway, regardless of what I do, why should I comply with your demands?
It gets worse. Even if I do believe that you'll keep your promise and not kill me if I give you what you want, how do I know you won't demand something else later on and threaten me until you get that? You want me to trust you way more than I trust most people, and yet by murdering people and threatening to murder me, you're seriously undermining the basis for that trust.
So, that's why I'm unmoved by your threat, and why it's not going to influence my behaviour in any way. I simply don't trust you to keep your part of the bargain if I comply. But there's another mistake I think you're making, too, and that's your failure to consider the broader context. You're talking as if you're in a position of power over me, but the kinds of things I need to fear from you are basically terrorist-type attacks. And the thing about most terrorist attacks is that they're cheap; powerful nation-states have conventional armies with military systems that are much, much more effective than car bombs and other improvised terrorist weapons. So yeah, it sure is scary to contemplate that some crazy might randomly kill me with a toaster, but here's the thing: I have a toaster, too.
You think your group is special? You think you're badasses, and the rest of us should cower in fear of your might? Look, any idiot can improvise a way to hurt lots of people. You're not even the only ones claiming to be fighting for God. So if I should be afraid of making you mad by disobeying you, shouldn't I also be afraid of making some other crazy mad for obeying you? Heck, shouldn't you be afraid of making me mad? I have the same access to ordinary household items as any other Canadian; I can carry out terrorist-style attacks against you just as easily as you can against me.
Ultimately, that's why your threats do not move me. I, and people like me, have just as much ability to hurt others as you do. The only difference is that you are willing to do so, and I am not. That is not because you are stronger than I am; it is because you are more foolish, and have not yet recognized just how futile and evil violence is.