What's the alternative? "5% of crops died in a country halfway around the world, that's used to dead crops. You should buy a Tesla now." "Humans have been eating saturated fats for 2 million years but half rancid PUFA are healthier."

No, I can look at and trace the proofs in any mathematical publication. I can look at and trace any open source code. If something works, I should be able to test it. And it's your flaw to assume people will play along with the onus.