In some cultures, getting pooped on by a bird is considered good luck.
In France, I'm told, accidentally stepping in dog poo with your left foot is good luck, while doing the same with your right foot is bad luck.
I suppose that in some sense this is a worthwhile tradition, since it encourages people to look where they're going. But in both cases, these superstitions seem like the results of people merely trying to make the best out of bad situations.
We can't stop birds from dropping a wet one on us from time to time, and sometimes we're going to step in crap, so we might as well make a game out of it!
One might say that we're doing the same thing here. Defects happen, so we might as well try to make it fun! But that is not the intent.
Here, the hope is that we might appreciate some inherent qualities of the oddballs. There's nothing inherently lucky about stepping in fecal matter with your left foot, or getting shat upon by a pigeon, so those customs feel hollow.
But there is inherent beauty to be found in defects, I think — look for yourself: