An infinitely dense particle exploding and forming the universe kinda sounds ridiculous. I buy that the expansion came from a single source, but what if that source is a tear in space, a leak of some sort. Would matter leaking from another dimension through a hole give us the same empirical data (red shift, etc)?
It's important to thumbs down all your favorite Youtube videos. You don't want these artists to get big heads and start producing subpar material.