It’s hardly surprising that these people are out of touch when they’re constantly surrounded in a bubble of yes-men, cultish AI sycophants, VC investors and other “dark enlightenment” enthusiasts.
It’s a pathology, really. A kind of shared delusion in service of global capital.
They are referring to some fringe “tax protester” conspiracy theories which dispute that the 16th amendment was properly ratified. You can read about them here: https://en.wikipedia.org/wiki/Tax_protester_Sixteenth_Amendment_arguments#Sixteenth_Amendment_ratification
Suffice it to say, these ‘theories’ have been largely rejected, including by the states themselves, and by the SCOTUS.
Be careful with these kits, especially if there’s any extra moisture or humidity in your home. I’ve heard some horror stories about the mushrooms starting to spread.