Yeah but the contents of your garage are pretty well protected from blowing wildfire embers by that nice stucco building. One little ember in that woodpile on a red flag day and the whole house goes up, regardless of what's in it.
People are amazed looking at neighborhoods after a wildfire moves through because most of the time there are houses that survive. Usually quite a few. Things like that woodpile go a long way in determining if a fire blows by, or burns your house down. Obviously sometimes it's just dumb luck, but a lot of time it's a direct result of taking some pretty simple preventative steps. Like not having a shake roof, or stacking wood against your house, or having concrete or stucco siding, keeping your gutters clean, etc.