"Carcinization" is a curious biological phenomenon: given enough time, across many environments, many species will evolve into crabs. The body type of a crab, with its low center of gravity, sideways gait (useful for evading predators), ease of concealment and protected organs is suitable to many different environments: https://en.wikipedia.org/wiki/Carcinisation If you'd like an essay-formatted version of this thread to read or share, here's a link to it on pluralistic.net, my surveillance-free, ad-free, tracker-free blog: https://pluralistic.net/2026/07/01/ontogeny/#recapitulates-phylogeny Lately, I've watched the American Big Tech platforms as they underwent their own form of technocarcinization, which is when every tech company turns into Facebook.