You are on dev. This longer page comes from a Kustomize overlay — prod runs the same app with a one-line page.
If you are reading this, the whole path worked:
mainHTTPRoute attached to the public GatewayNobody ran kubectl to make this happen.
The app is apps/example/hello-world/base/; this page is
apps/example/hello-world/overlays/devx-dev-us-west-2/. Everything
else — the Deployment, Service and route — exists once, in the
base, and is shared with prod.