No; if someone thinks DNA is a chemical, they’re just wrong, and you can explain it to them easily enough. “This food contains DNA?! Ew! I don’t eat food with chemicals in it!” “No, no. ‘DNA’ is just a fancy term for something perfectly natural. There’s lots of DNA in your body! It’s part of blood and muscle and bone and everything.” “Oh, ok then.”
Considering the fact that 80% of people think that food containing DNA should be labeled maybe pedantry in cases similar to the first one is actually the correct response (depending on who you talk to of course).
No; if someone thinks DNA is a chemical, they’re just wrong, and you can explain it to them easily enough. “This food contains DNA?! Ew! I don’t eat food with chemicals in it!” “No, no. ‘DNA’ is just a fancy term for something perfectly natural. There’s lots of DNA in your body! It’s part of blood and muscle and bone and everything.” “Oh, ok then.”