if vapes that are set wrongly, heating the mixture too much that it forms chemical byproducts like formaldehyde,

That causes dry puffs, and taste so bad that nobody would vape that. The only research papers I have seen warning about formaldehyde were fucking rigged. On paper measured the formaldehyde in a small room, and the levels they measured were consistrent with the amount of formaldehyde we exhale ourselves without vaping. Another that created dry puffs was measured by a machine doing the overheated “vaping”, that no human would ever do.
Again these compounds have been found to be very safe for many decades, to a degree they have even been used in kindergartens to prevent respiratory disease, in asthma inhalers and in stage smoke machines.