dude, get real. if google really wanted to just be helpful to the users they could just put some kind open-source, investigable metric of web page load speed. or full front-page load payload size.
if the flag is google-service-specific, it's not "just information"
Its only "Google service" in that Google runs an AMP cache service the same as anyone else could; its open source project with open governance that manages its own open spec.
if the flag is google-service-specific, it's not "just information"