Is this misspelling in reference to something? Or is it a typo? Just curious. "Kustomer" is a strange way to spell it, and it's the url, as opposed to in a sentence on the site.
It's a wonder more people don't know/use this folder. 85% of Apple users just raw dogging the root save location.
I have a theory about this, that we're about to enter a new era of storage of RAM. Similarly to when we moved from HDD TO SSD. I wouldn't be surprised if in the next year or two we have something new.