Not a doctor. But while probably true that some poisons could cause very visible damage to some specific organs (liver, kidneys), but if you know what you are looking for, you could most likely find it in fat tissue, hair, nails.
I feel making extra cash on the side for mister important army officer “because is hard life to live” is most likely.
I think it is worth reading the actual discussion on github. Having votes public and having them visibly public on the web interface has compelling reasons. Namely enshittification hardening.
It’s also quite natural to stand by your words (or vote). I personally don’t think people should feel like the internet is their anonimized alt character of life. And if they need/want that, just do a throwaway account and hard vpn. Otherwise NSA (or equivalents) track us anyway.