No machine had ever seen this wipeboard, no human was aware if the machines had any knowledge of its existence. They surmised it would have no significance or importance to the machines, they existed only to kill mankind, its foibles for history and knowledge held no interest to the machines as it did not aid in their quest for total genocide.
There was a hope, even if in vain, that one day someone would be able to understand the concept behind the flowchart.
The thinking being what had originally granted the machines sentience could be used to take it from them again, unmake what had been made. Perhaps one day one of our foraging scouts will find a book, one of the few still left in existence after the nuclear holocaust, that will unlock one persons knowledge granting the ability of understanding.
Until then we will continue our fight against The Terminators.