It's still telemetry. It's irrelevant what the browser "knows about itself", because the browser is not the organization receiving the data. You do not automati

It's still telemetry. It's irrelevant what the browser "knows about itself", because the browser is not the organization receiving the data. You do not automatically "give away your OS" when you download. User agent strings can be set to whatever you like, and you can run the software on a different system from the one used to download it. If the Waterfox developers want to track usage they should request the user's permission, like Debian does with their opt-in Popularity Contest software.