It is as simple as that: coincidences pop up all the time here and there. It is our brains that make connections and want to see patterns and personifications where it should not. We should be very thankful that our brain is able to see patterns. Patterns discerning is what makes us special on this planet. Detecting patterns allowed us to write down the laws of physics and to find cures for many illnesses, but the same process of detecting patterns can hurt us.
Not everywhere we see a face or a patterns of some sorts was meant to be what we saw it to be. Coincidences are just that: coincidences.