doesn't that mean we have to trust the owners of the searx hosts though, if we don't spin up our own? I think i'd rather trust a faceless corp sometimes than someone with a potential axe to grind.
Big data is valuable, but little data is usually worthless. My instance is running on a Raspberry PI on my desk running Yunohost. If I figured out how to log IP addresses and the queries, I nor anyone else would have any use for the information. Searx doesn't set any cookies or do any browser fingerprinting. So all I would know is someone from an IP address (somebody in your house or on your VPN) queried something.