Clearly witchcraft. Spells to make the kids gay. Definitely not a decorative method of adding texture.
There’s sort of an answer, coupled with some interesting speculation.https://www.snopes.com/fact-check/secret-symbols-oreo-cookies/
That's a great article. I like the answer to the 90 tick marks:"I bet I just put my compass down and kicked every 4 degrees"
It is a calendar that shows the repeating cycle of the world's destruction and rebirth each time the milk runs out.
Ah yes, the deep state secrets of Masonic sandwich cookies.
Those markings are the key to a map that shows the exact location of Thomas Jefferson's secret tomb!