However, the government may ask for all the unaggregated search data so they can perform statistical analysis on it themselves... and "coincidently" gain access

However, the government may ask for all the unaggregated search data so they can perform statistical analysis on it themselves... and "coincidently" gain access to a huge trove of personally identifying data. This is the US government we're talking about here - they do have a history of overreach in this area.