Loading a modern React web app requires downloading a JavaScript bundle, parsing and executing it, rendering a virtual DOM, reconciling it with the real DOM, and repeating on every state change. A modern Chromium browser uses ~2 GB of RAM in normal operation.
A Gemini capsule in Bombadillo requires: a terminal emulator, a network connection, and a TLS library. The entire browser is a few megabytes. This runs on a machine from 2005.
Who gets to participate in an Internet that requires increasingly expensive, frequently-replaced devices? These protocols meet you where you are.