This is why you don’t stand directly behind the blade of your table saw. The piece between your fence and your blade can get accelerated if your piece gets twisted. That can happen especially with unjointed wood and with pieces caught under a tilted blade. If possible, make your tilted-arbor cut with the obtuse angle of the blade to the side with the fence.
I didn’t go all the way through the garage door, but it did make a dent in the aluminum skin. I think it would have made a hole in my skin.