Cell processes are quick and efficient. They can even solve geometry problems in the dark without eyes or brains.
An observation that supports a non-natural origin is that the pigment appears only in a small, conspicuous location.
Something I had not heard before is a really clear explanation of how chloroquine works, on the malarial parasite Plasmodium falciparum and, perhaps, on the SARS-CoV-2 virus.
This sort of behavior is not new. In 2004, the University of Helsinki (Finland) cancelled some scheduled talks by Discovery Institute fellows Paul Nelson and Richard Sternberg.
The supposedly happiest country, Finland, also has one of the highest suicide rates in the world, higher than ours — and we are in the midst of a suicide crisis.