This peanut butter isn’t actually intended for your mouth (rude, I know), but to be fed into laboratory gadgets like gas chromatographs and mass spectrometers. Smart people then use it to establish an industry-wide standard to which similar food products can be compared. The high price has nothing to do with taste or quality, but simply reflects all the scientist-hours that went into its making.
So, really choosy Moms choose Standard Reference Material No. 2387.